Modified the npm dev script to support Windows

Windows does not support shebangs/hashbangs. Added the node command to run the bin/dev script. Extension of parse-community#831

Author: aneeshd16

package.json

@@ -55,7 +55,7 @@
     "nodemon": "^1.8.1"
   },
   "scripts": {
-    "dev": "npm run build && bin/dev",
+    "dev": "npm run build && node bin/dev",
     "build": "./node_modules/.bin/babel src/ -d lib/",
     "pretest": "cross-env MONGODB_VERSION=${MONGODB_VERSION:=3.0.8} ./node_modules/.bin/mongodb-runner start",
     "test": "cross-env NODE_ENV=test TESTING=1 ./node_modules/.bin/babel-node $COVERAGE_OPTION ./node_modules/jasmine/bin/jasmine.js",