diff --git a/package-lock.json b/package-lock.json
index ebf9558..0a2036e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -91,6 +91,7 @@
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           "resolved": "https://registry.npmjs.org/through2/-/through2-2.0.5.tgz",
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+          "optional": true,
           "requires": {
             "readable-stream": "~2.3.6",
             "xtend": "~4.0.1"
@@ -234,27 +235,32 @@
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       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/@protobufjs/aspromise/-/aspromise-1.1.2.tgz",
-      "integrity": "sha1-m4sMxmPWaafY9vXQiToU00jzD78="
+      "integrity": "sha1-m4sMxmPWaafY9vXQiToU00jzD78=",
+      "optional": true
     },
     "@protobufjs/base64": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/@protobufjs/base64/-/base64-1.1.2.tgz",
-      "integrity": "sha512-AZkcAA5vnN/v4PDqKyMR5lx7hZttPDgClv83E//FMNhR2TMcLUhfRUBHCmSl0oi9zMgDDqRUJkSxO3wm85+XLg=="
+      "integrity": "sha512-AZkcAA5vnN/v4PDqKyMR5lx7hZttPDgClv83E//FMNhR2TMcLUhfRUBHCmSl0oi9zMgDDqRUJkSxO3wm85+XLg==",
+      "optional": true
     },
     "@protobufjs/codegen": {
       "version": "2.0.4",
       "resolved": "https://registry.npmjs.org/@protobufjs/codegen/-/codegen-2.0.4.tgz",
-      "integrity": "sha512-YyFaikqM5sH0ziFZCN3xDC7zeGaB/d0IUb9CATugHWbd1FRFwWwt4ld4OYMPWu5a3Xe01mGAULCdqhMlPl29Jg=="
+      "integrity": "sha512-YyFaikqM5sH0ziFZCN3xDC7zeGaB/d0IUb9CATugHWbd1FRFwWwt4ld4OYMPWu5a3Xe01mGAULCdqhMlPl29Jg==",
+      "optional": true
     },
     "@protobufjs/eventemitter": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/@protobufjs/eventemitter/-/eventemitter-1.1.0.tgz",
-      "integrity": "sha1-NVy8mLr61ZePntCV85diHx0Ga3A="
+      "integrity": "sha1-NVy8mLr61ZePntCV85diHx0Ga3A=",
+      "optional": true
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     "@protobufjs/fetch": {
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       "resolved": "https://registry.npmjs.org/@protobufjs/fetch/-/fetch-1.1.0.tgz",
       "integrity": "sha1-upn7WYYUr2VwDBYZ/wbUVLDYTEU=",
+      "optional": true,
       "requires": {
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         "@protobufjs/inquire": "^1.1.0"
@@ -263,27 +269,32 @@
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       "resolved": "https://registry.npmjs.org/@protobufjs/float/-/float-1.0.2.tgz",
-      "integrity": "sha1-Xp4avctz/Ap8uLKR33jIy9l7h9E="
+      "integrity": "sha1-Xp4avctz/Ap8uLKR33jIy9l7h9E=",
+      "optional": true
     },
     "@protobufjs/inquire": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/@protobufjs/inquire/-/inquire-1.1.0.tgz",
-      "integrity": "sha1-/yAOPnzyQp4tyvwRQIKOjMY48Ik="
+      "integrity": "sha1-/yAOPnzyQp4tyvwRQIKOjMY48Ik=",
+      "optional": true
     },
     "@protobufjs/path": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/@protobufjs/path/-/path-1.1.2.tgz",
-      "integrity": "sha1-bMKyDFya1q0NzP0hynZz2Nf79o0="
+      "integrity": "sha1-bMKyDFya1q0NzP0hynZz2Nf79o0=",
+      "optional": true
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     "@protobufjs/pool": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/@protobufjs/pool/-/pool-1.1.0.tgz",
-      "integrity": "sha1-Cf0V8tbTq/qbZbw2ZQbWrXhG/1Q="
+      "integrity": "sha1-Cf0V8tbTq/qbZbw2ZQbWrXhG/1Q=",
+      "optional": true
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     "@protobufjs/utf8": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/@protobufjs/utf8/-/utf8-1.1.0.tgz",
-      "integrity": "sha1-p3c2C1s5oaLlEG+OhY8v0tBgxXA="
+      "integrity": "sha1-p3c2C1s5oaLlEG+OhY8v0tBgxXA=",
+      "optional": true
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@@ -332,7 +343,8 @@
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+      "integrity": "sha512-1w52Nyx4Gq47uuu0EVcsHBxZFJgurQ+rTKS3qMHxR1GY2T8c2AJYd6vZoZ9q1rupaDjU0yT+Jc2XTyXkjeMA+Q==",
+      "optional": true
     },
     "@types/node": {
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@@ -373,7 +385,7 @@
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     "acorn": {
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-      "resolved": "http://registry.npmjs.org/acorn/-/acorn-3.3.0.tgz",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-3.3.0.tgz",
       "integrity": "sha1-ReN/s56No/JbruP/U2niu18iAXo="
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@@ -809,7 +821,7 @@
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-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
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@@ -1116,7 +1128,8 @@
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-      "integrity": "sha512-MQcXEUbCKtEo7bhqEs6560Hyd4XaovZlO/k9V3hjVUF/zwW7KBVdSK4gIt/bzwS9MbR5qob+F5jusZsb0YQK2A=="
+      "integrity": "sha512-MQcXEUbCKtEo7bhqEs6560Hyd4XaovZlO/k9V3hjVUF/zwW7KBVdSK4gIt/bzwS9MbR5qob+F5jusZsb0YQK2A==",
+      "optional": true
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@@ -1500,6 +1513,7 @@
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+      "optional": true,
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@@ -1963,6 +1977,7 @@
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+      "optional": true,
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@@ -2149,7 +2164,7 @@
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-      "resolved": "http://registry.npmjs.org/es6-promisify/-/es6-promisify-5.0.0.tgz",
+      "resolved": "https://registry.npmjs.org/es6-promisify/-/es6-promisify-5.0.0.tgz",
       "integrity": "sha1-UQnWLz5W6pZ8S2NQWu8IKRyKUgM=",
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@@ -2272,13 +2287,13 @@
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-          "resolved": "http://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
           "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=",
           "dev": true
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         "mkdirp": {
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-          "resolved": "http://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
+          "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
           "integrity": "sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=",
           "dev": true,
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@@ -2791,26 +2806,30 @@
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-      "resolved": "https://registry.npmjs.org/extract-zip/-/extract-zip-1.6.6.tgz",
-      "integrity": "sha1-EpDt6NINCHK0Kf0/NRyhKOxe+Fw=",
+      "version": "1.7.0",
+      "resolved": "https://registry.npmjs.org/extract-zip/-/extract-zip-1.7.0.tgz",
+      "integrity": "sha512-xoh5G1W/PB0/27lXgMQyIhP5DSY/LhoCsOyZgb+6iMmRtCwVBo55uKaMoEYrDCKQhWvqEip5ZPKAc6eFNyf/MA==",
       "optional": true,
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-        "concat-stream": "1.6.0",
-        "debug": "2.6.9",
-        "mkdirp": "0.5.0",
-        "yauzl": "2.4.1"
+        "concat-stream": "^1.6.2",
+        "debug": "^2.6.9",
+        "mkdirp": "^0.5.4",
+        "yauzl": "^2.10.0"
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-        "concat-stream": {
-          "version": "1.6.0",
-          "resolved": "https://registry.npmjs.org/concat-stream/-/concat-stream-1.6.0.tgz",
-          "integrity": "sha1-CqxmL9Ur54lk1VMvaUeE5wEQrPc=",
+        "minimist": {
+          "version": "1.2.5",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
+          "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==",
+          "optional": true
+        },
+        "mkdirp": {
+          "version": "0.5.5",
+          "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.5.tgz",
+          "integrity": "sha512-NKmAlESf6jMGym1++R0Ra7wvhV+wFW63FaSOFPwRahvea0gMUcGUhVeAg/0BC0wiv9ih5NYPB1Wn1UEI1/L+xQ==",
           "optional": true,
           "requires": {
-            "inherits": "^2.0.3",
-            "readable-stream": "^2.2.2",
-            "typedarray": "^0.0.6"
+            "minimist": "^1.2.5"
           }
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@@ -2856,9 +2875,9 @@
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-      "resolved": "https://registry.npmjs.org/fd-slicer/-/fd-slicer-1.0.1.tgz",
-      "integrity": "sha1-i1vL2ewyfFBBv5qwI/1nUPEXfmU=",
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/fd-slicer/-/fd-slicer-1.1.0.tgz",
+      "integrity": "sha1-JcfInLH5B3+IkbvmHY85Dq4lbx4=",
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@@ -3086,7 +3105,8 @@
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           "version": "2.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -3107,12 +3127,14 @@
         "balanced-match": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
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@@ -3127,17 +3149,20 @@
         "code-point-at": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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         "concat-map": {
           "version": "0.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -3254,7 +3279,8 @@
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -3266,6 +3292,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -3280,6 +3307,7 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -3287,12 +3315,14 @@
         "minimist": {
           "version": "0.0.8",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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         "minipass": {
           "version": "2.2.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
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@@ -3311,6 +3341,7 @@
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
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@@ -3391,7 +3422,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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           "version": "4.1.1",
@@ -3403,6 +3435,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
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           }
@@ -3488,7 +3521,8 @@
         "safe-buffer": {
           "version": "5.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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           "version": "2.1.2",
@@ -3524,6 +3558,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -3543,6 +3578,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
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@@ -3586,12 +3622,14 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
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@@ -3776,6 +3814,7 @@
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+      "optional": true,
       "requires": {
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         "gcp-metadata": "^0.6.1",
@@ -3785,8 +3824,9 @@
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-          "resolved": "http://registry.npmjs.org/gcp-metadata/-/gcp-metadata-0.6.3.tgz",
+          "resolved": "https://registry.npmjs.org/gcp-metadata/-/gcp-metadata-0.6.3.tgz",
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+          "optional": true,
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@@ -3797,6 +3837,7 @@
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+          "optional": true,
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@@ -3811,6 +3852,7 @@
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+          "optional": true,
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@@ -3857,6 +3899,7 @@
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+      "optional": true,
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         "pify": "^4.0.0"
@@ -3865,12 +3908,14 @@
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-          "integrity": "sha512-sol30LUpz1jQFBjOKwbjxijiE3b6pjd74YwfD0fJOKPjF+fONKb2Yg8rYgS6+bK6VDl+/wfr4IYpC7jDzLUIfw=="
+          "integrity": "sha512-sol30LUpz1jQFBjOKwbjxijiE3b6pjd74YwfD0fJOKPjF+fONKb2Yg8rYgS6+bK6VDl+/wfr4IYpC7jDzLUIfw==",
+          "optional": true
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           "resolved": "https://registry.npmjs.org/pify/-/pify-4.0.1.tgz",
-          "integrity": "sha512-uB80kBFb/tfd68bVleG9T5GGsGPjJrLAUpR5PZIrhBnIaRTQRjqdJSsIKkOP6OAIFbj7GOrcudc5pNjZ+geV2g=="
+          "integrity": "sha512-uB80kBFb/tfd68bVleG9T5GGsGPjJrLAUpR5PZIrhBnIaRTQRjqdJSsIKkOP6OAIFbj7GOrcudc5pNjZ+geV2g==",
+          "optional": true
         }
       }
     },
@@ -3935,7 +3980,8 @@
         },
         "ansi-regex": {
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-          "bundled": true
+          "bundled": true,
+          "optional": true
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@@ -3953,11 +3999,13 @@
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         "balanced-match": {
           "version": "1.0.0",
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+          "bundled": true,
+          "optional": true
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           "version": "1.1.11",
           "bundled": true,
+          "optional": true,
           "requires": {
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@@ -3970,15 +4018,18 @@
         },
         "code-point-at": {
           "version": "1.1.0",
-          "bundled": true
+          "bundled": true,
+          "optional": true
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         "concat-map": {
           "version": "0.0.1",
-          "bundled": true
+          "bundled": true,
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
-          "bundled": true
+          "bundled": true,
+          "optional": true
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@@ -4018,7 +4069,8 @@
         },
         "fs.realpath": {
           "version": "1.0.0",
-          "bundled": true
+          "bundled": true,
+          "optional": true
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         "gauge": {
           "version": "2.7.4",
@@ -4038,6 +4090,7 @@
         "glob": {
           "version": "7.1.3",
           "bundled": true,
+          "optional": true,
           "requires": {
             "fs.realpath": "^1.0.0",
             "inflight": "^1.0.4",
@@ -4071,6 +4124,7 @@
         "inflight": {
           "version": "1.0.6",
           "bundled": true,
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@@ -4078,7 +4132,8 @@
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@@ -4088,6 +4143,7 @@
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@@ -4100,6 +4156,7 @@
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@@ -4112,6 +4169,7 @@
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@@ -4128,13 +4186,15 @@
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-              "bundled": true
+              "bundled": true,
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@@ -4206,7 +4266,8 @@
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@@ -4216,6 +4277,7 @@
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           "bundled": true,
+          "optional": true,
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@@ -4241,7 +4303,8 @@
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@@ -4295,7 +4358,8 @@
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+          "bundled": true,
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@@ -4325,6 +4389,7 @@
         "string-width": {
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+          "optional": true,
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@@ -4342,6 +4407,7 @@
         "strip-ansi": {
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           "bundled": true,
+          "optional": true,
           "requires": {
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           }
@@ -4380,11 +4446,13 @@
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         "wrappy": {
           "version": "1.0.2",
-          "bundled": true
+          "bundled": true,
+          "optional": true
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-          "bundled": true
+          "bundled": true,
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@@ -4392,6 +4460,7 @@
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+      "optional": true,
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@@ -4403,7 +4472,8 @@
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+          "optional": true
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@@ -4523,11 +4593,11 @@
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-      "integrity": "sha1-S8+Rwky1YOR6o/rP0DPg4b8kG5E=",
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/html-pdf/-/html-pdf-3.0.1.tgz",
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       "requires": {
-        "phantomjs-prebuilt": "^2.1.4"
+        "phantomjs-prebuilt": "^2.1.16"
       }
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@@ -4790,7 +4860,8 @@
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-      "integrity": "sha512-nW24QBoPcFGGHJGUwnfpI7Yc5CdqWNdsyHQszVE/z2pKHXzh7FZ5GWhJqSyaQ9wMkQnsTx+kAI8bHlCX4tKdbg=="
+      "integrity": "sha512-nW24QBoPcFGGHJGUwnfpI7Yc5CdqWNdsyHQszVE/z2pKHXzh7FZ5GWhJqSyaQ9wMkQnsTx+kAI8bHlCX4tKdbg==",
+      "optional": true
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@@ -5559,7 +5630,8 @@
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-      "integrity": "sha512-XsP+KhQif4bjX1kbuSiySJFNAehNxgLb6hPRGJ9QsUr8ajHkuXGdrHmFUTUUXhDwVX2R5bY4JNZEwbUiMhV+MA=="
+      "integrity": "sha512-XsP+KhQif4bjX1kbuSiySJFNAehNxgLb6hPRGJ9QsUr8ajHkuXGdrHmFUTUUXhDwVX2R5bY4JNZEwbUiMhV+MA==",
+      "optional": true
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@@ -9618,6 +9690,7 @@
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+      "optional": true,
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@@ -9637,7 +9710,8 @@
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-          "integrity": "sha512-9kROxduaN98QghwwHmxXO2Xz3MaWf+I1sLVAA6KJDF5xix+IyXVhds0MAfdNwtcpSrzhaTsNB0/jnL86fgUhqA=="
+          "integrity": "sha512-9kROxduaN98QghwwHmxXO2Xz3MaWf+I1sLVAA6KJDF5xix+IyXVhds0MAfdNwtcpSrzhaTsNB0/jnL86fgUhqA==",
+          "optional": true
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@@ -9830,6 +9904,7 @@
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       "integrity": "sha512-ruPMNRkN3MHP1cWJc9OWr+T/xDP0jhXYCLfJcBuX54hhfIBnaQmAUMfDcG4DM5UMWByBbJY69QSphm3jtDKIkA==",
+      "optional": true,
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@@ -9839,6 +9914,7 @@
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+      "optional": true,
       "requires": {
         "duplexify": "^3.6.0",
         "inherits": "^2.0.3",
@@ -10152,7 +10228,8 @@
     "retry-axios": {
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       "resolved": "https://registry.npmjs.org/retry-axios/-/retry-axios-0.3.2.tgz",
-      "integrity": "sha512-jp4YlI0qyDFfXiXGhkCOliBN1G7fRH03Nqy8YdShzGqbY5/9S2x/IR6C88ls2DFkbWuL3ASkP7QD3pVrNpPgwQ=="
+      "integrity": "sha512-jp4YlI0qyDFfXiXGhkCOliBN1G7fRH03Nqy8YdShzGqbY5/9S2x/IR6C88ls2DFkbWuL3ASkP7QD3pVrNpPgwQ==",
+      "optional": true
     },
     "retry-request": {
       "version": "4.0.0",
@@ -10714,6 +10791,7 @@
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       "resolved": "https://registry.npmjs.org/stream-events/-/stream-events-1.0.5.tgz",
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+      "optional": true,
       "requires": {
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       }
@@ -10721,7 +10799,8 @@
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       "resolved": "https://registry.npmjs.org/stream-shift/-/stream-shift-1.0.0.tgz",
-      "integrity": "sha1-1cdSgl5TZ+eG944Y5EXqIjoVWVI="
+      "integrity": "sha1-1cdSgl5TZ+eG944Y5EXqIjoVWVI=",
+      "optional": true
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     "string-extended": {
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@@ -10777,7 +10856,8 @@
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       "resolved": "https://registry.npmjs.org/stubs/-/stubs-3.0.0.tgz",
-      "integrity": "sha1-6NK6H6nJBXAwPAMLaQD31fiavls="
+      "integrity": "sha1-6NK6H6nJBXAwPAMLaQD31fiavls=",
+      "optional": true
     },
     "supports-color": {
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@@ -11059,7 +11139,8 @@
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       "resolved": "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz",
-      "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c="
+      "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=",
+      "optional": true
     },
     "uglify-js": {
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@@ -11502,13 +11583,13 @@
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         "minimist": {
           "version": "0.0.8",
-          "resolved": "http://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
           "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=",
           "dev": true
         },
         "mkdirp": {
           "version": "0.5.1",
-          "resolved": "http://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
+          "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
           "integrity": "sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=",
           "dev": true,
           "requires": {
@@ -11571,7 +11652,7 @@
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     "yargs": {
       "version": "3.10.0",
-      "resolved": "http://registry.npmjs.org/yargs/-/yargs-3.10.0.tgz",
+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-3.10.0.tgz",
       "integrity": "sha1-9+572FfdfB0tOMDnTvvWgdFDH9E=",
       "requires": {
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@@ -11581,12 +11662,13 @@
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-      "resolved": "https://registry.npmjs.org/yauzl/-/yauzl-2.4.1.tgz",
-      "integrity": "sha1-lSj0QtqxsihOWLQ3m7GU4i4MQAU=",
+      "version": "2.10.0",
+      "resolved": "https://registry.npmjs.org/yauzl/-/yauzl-2.10.0.tgz",
+      "integrity": "sha1-x+sXyT4RLLEIb6bY5R+wZnt5pfk=",
       "optional": true,
       "requires": {
-        "fd-slicer": "~1.0.1"
+        "buffer-crc32": "~0.2.3",
+        "fd-slicer": "~1.1.0"
       }
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     "zip-stream": {
diff --git a/package.json b/package.json
index 8174cb7..a7417ac 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
     "express": "^4.16.2",
     "firebase-admin": "^6.4.0",
     "fs": "0.0.1-security",
-    "html-pdf": "^2.2.0",
+    "html-pdf": "^3.0.1",
     "moment": "^2.21.0",
     "nodemailer": "^4.6.4",
     "nodemailer-smtp-transport": "^2.7.4",