Add plugins to add module support for UMD and commonJS

Author: mattphillips

package.json

@@ -4,8 +4,9 @@
   "description": "Deep diffs two objects, including nested structures of arrays and objects, and return the difference.",
   "main": "dist/index.js",
   "files": [
-    "dist/index.js"
-  ],
+    "dist/index.js",
+    "README.md"
+   ],
   "scripts": {
     "build": "babel src -d dist --ignore *.spec.js",
     "prepublish": "npm run build",
@@ -19,6 +20,8 @@
     "babel-cli": "^6.18.0",
     "babel-core": "^6.18.2",
     "babel-istanbul": "^0.11.0",
+    "babel-plugin-add-module-exports": "^0.2.1",
+    "babel-plugin-transform-es2015-modules-umd": "^6.22.0",
     "babel-preset-es2015": "^6.18.0",
     "babel-preset-stage-0": "^6.16.0",
     "chai": "^3.5.0",
@@ -29,6 +32,10 @@
     "presets": [
       "es2015",
       "stage-0"
+    ],
+    "plugins": [
+      "add-module-exports",
+      "transform-es2015-modules-umd"
     ]
   },
   "repository": {