chore: set workfront-api-constants package as peerDependency for ES build

Author: Sassoun Derderian

package.json

@@ -10,25 +10,28 @@
     "typings"
   ],
   "typings": "typings/index.d.ts",
+  "peerDependencies": {
+    "workfront-api-constants": "2.0.0"
+  },
   "dependencies": {
-    "@types/node": "7.0.14",
+    "@types/node": "7.0.22",
     "es6-promise": "4.1.0",
     "form-data": "2.1.4",
     "isomorphic-fetch": "2.2.1",
     "workfront-api-constants": "2.0.0"
   },
   "devDependencies": {
     "@types/form-data": "0.0.33",
-    "@types/mocha": "2.2.40",
+    "@types/mocha": "2.2.41",
     "@types/should": "8.3.0",
-    "codecov": "2.1.0",
+    "codecov": "2.2.0",
     "dateformat": "2.0.0",
     "execa": "0.6.3",
-    "fetch-mock": "5.10.0",
-    "http-server": "0.9.0",
+    "fetch-mock": "5.11.0",
+    "http-server": "0.10.0",
     "istanbul-instrumenter-loader": "2.0.0",
-    "karma": "1.6.0",
-    "karma-chrome-launcher": "2.0.0",
+    "karma": "1.7.0",
+    "karma-chrome-launcher": "2.1.1",
     "karma-cli": "1.0.1",
     "karma-coverage": "1.1.1",
     "karma-mocha": "1.3.0",
@@ -37,18 +40,18 @@
     "karma-sauce-launcher": "1.1.0",
     "karma-sourcemap-loader": "0.3.7",
     "karma-webpack": "2.0.3",
-    "mocha": "3.3.0",
+    "mocha": "3.4.2",
     "phantomjs-polyfill-object-assign": "0.0.2",
     "phantomjs-prebuilt": "2.1.14",
     "semver": "5.3.0",
     "should": "11.2.1",
-    "ts-loader": "2.0.3",
-    "tslib": "1.6.1",
-    "tslint": "5.1.0",
+    "ts-loader": "2.1.0",
+    "tslib": "1.7.1",
+    "tslint": "5.3.2",
     "tslint-loader": "3.5.3",
-    "typedoc": "0.6.0",
-    "typescript": "2.2.2",
-    "webpack": "2.4.0"
+    "typedoc": "0.7.1",
+    "typescript": "2.3.4",
+    "webpack": "2.6.1"
   },
   "scripts": {
     "test": "karma start karma.conf.js",