Update dependencies to enable Greenkeeper 🌴 (#3712)

* chore(package): update dependencies

https://greenkeeper.io/

* chore(travis): whitelist greenkeeper branches 

https://greenkeeper.io/

* docs(readme): add Greenkeeper badge 

https://greenkeeper.io/

* Update README.md

.travis.yml

@@ -30,6 +30,7 @@ branches:
   only:
   - master
   - /^[0-9]+.[0-9]+.[0-9]+(-.*)?$/
+  - /^greenkeeper/.*$/
 cache:
   directories:
   - node_modules

README.md

@@ -12,6 +12,7 @@ Parse Server works with the Express web application framework. It can be added t
 
 # Getting Started
 
+
 April 2016 - We created a series of video screencasts, please check them out here: [http://blog.parse.com/learn/parse-server-video-series-april-2016/](http://blog.parse.com/learn/parse-server-video-series-april-2016/)
 
 The fastest and easiest way to get started is to run MongoDB and Parse Server locally.

package.json

@@ -37,27 +37,27 @@
     "pg-promise": "5.6.4",
     "redis": "2.7.1",
     "request": "2.81.0",
-    "semver": "5.2.0",
+    "semver": "5.3.0",
     "tv4": "1.3.0",
     "winston": "2.3.1",
     "winston-daily-rotate-file": "1.4.6",
     "ws": "2.2.3"
   },
   "devDependencies": {
-    "babel-cli": "6.24.0",
-    "babel-core": "6.24.0",
+    "babel-cli": "6.24.1",
+    "babel-core": "6.24.1",
     "babel-eslint": "^7.1.1",
     "babel-plugin-syntax-flow": "6.18.0",
     "babel-plugin-transform-flow-strip-types": "6.22.0",
-    "babel-preset-es2015": "6.24.0",
-    "babel-preset-stage-0": "6.22.0",
-    "babel-register": "6.24.0",
+    "babel-preset-es2015": "6.24.1",
+    "babel-preset-stage-0": "6.24.1",
+    "babel-register": "6.24.1",
     "bcrypt-nodejs": "0.0.3",
     "cross-env": "4.0.0",
     "deep-diff": "0.3.4",
     "eslint": "^3.16.1",
     "eslint-plugin-flowtype": "^2.25.0",
-    "gaze": "1.1.1",
+    "gaze": "1.1.2",
     "jasmine": "2.5.3",
     "jasmine-spec-reporter": "^3.1.0",
     "mongodb-runner": "3.4.0",