Adds standalone parse server, configurable by environment, and that can start with npm start

package.json

@@ -31,9 +31,13 @@
   "scripts": {
     "pretest": "MONGODB_VERSION=${MONGODB_VERSION:=3.0.8} mongodb-runner start",
     "test": "TESTING=1 ./node_modules/.bin/istanbul cover --include-all-sources -x **/spec/** ./node_modules/.bin/jasmine",
-    "posttest": "mongodb-runner stop"
+    "posttest": "mongodb-runner stop",
+    "start": "./bin/parse-server"
   },
   "engines": {
     "node": ">=4.1"
+  },
+  "bin": {
+    "parse-server": "./bin/parse-server"
   }
 }