Update deps to work with Node 6 (per #22)

package.json

@@ -3,36 +3,36 @@
   "version": "1.0.0-beta3",
   "private": true,
   "devDependencies": {
-    "del": "^2.2.0",
+    "del": "^2.2.1",
     "fs-extra": "^0.30.0",
     "gulp": "^3.9.1",
     "gulp-autoprefixer": "^3.1.0",
-    "gulp-clean-css": "^2.0.6",
+    "gulp-clean-css": "^2.0.12",
     "gulp-help": "^1.6.1",
-    "gulp-image-optimization": "^0.1.3",
-    "gulp-jshint": "^2.0.0",
-    "gulp-livereload": "^3.8.1",
+    "gulp-imagemin": "^3.0.2",
+    "gulp-jshint": "^2.0.1",
     "gulp-notify": "^2.2.0",
     "gulp-preprocess": "^2.0.0",
     "gulp-rename": "^1.2.2",
-    "gulp-sass": "^2.3.1",
-    "gulp-uglify": "^1.5.3",
-    "gulp-watch": "^4.3.5",
-    "jshint": "^2.9.1",
-    "jshint-stylish": "^2.1.0",
+    "gulp-sass": "^2.3.2",
+    "gulp-uglify": "^1.5.4",
+    "gulp-watch": "^4.3.9",
+    "jshint": "^2.9.2",
+    "jshint-stylish": "^2.2.0",
     "path": "^0.12.7"
   },
   "dependencies": {
-    "@claviska/jquery-alertable": "^1.0.0",
+    "@claviska/jquery-alertable": "^1.0.2",
     "@claviska/jquery-offscreen": "^1.0.1",
-    "@claviska/jquery-selectable": "^1.0.0",
-    "bootstrap": "^4.0.0-alpha.2",
-    "font-awesome": "^4.6.1",
+    "@claviska/jquery-selectable": "^1.0.3",
+    "bootstrap": "^4.0.0-alpha.3",
+    "font-awesome": "^4.6.3",
     "jquery": "^3.1.0",
     "js-cookie": "^2.1.2",
+    "lodash": "^4.14.1",
     "nanobar": "^0.4.2",
-    "selectize": "^0.12.1",
-    "showdown": "^1.4.1",
+    "selectize": "^0.12.2",
+    "showdown": "^1.4.2",
     "sortablejs": "^1.4.2",
     "tether": "^1.3.2",
     "velocity-animate": "^1.2.3"