Update dependencies to enable Greenkeeper 🌴 (#340)

* chore(package): update dependencies

* docs(readme): add Greenkeeper badge

* Update README.md

* Add yarn.lock, keep webpack stable

README.md

@@ -6,9 +6,11 @@
 [![styled with prettier](https://img.shields.io/badge/styled_with-prettier-ff69b4.svg)](https://github.com/prettier/prettier)
 [![PRs Welcome](https://img.shields.io/badge/PRs-welcome-brightgreen.svg)](http://makeapullrequest.com)
 [![MIT License](https://img.shields.io/github/license/dawnlabs/carbon.svg)](https://github.com/dawnlabs/carbon/blob/master/LICENSE)
+[![Greenkeeper badge](https://badges.greenkeeper.io/dawnlabs/carbon.svg)](https://greenkeeper.io/)
 <br></br>
 [![Deploy to now](https://deploy.now.sh/static/button.svg)](https://deploy.now.sh/?repo=https://github.com/dawnlabs/carbon&env=TWITTER_CONSUMER_KEY&env=TWITTER_CONSUMER_SECRET&env=TWITTER_ACCESS_TOKEN_KEY&env=TWITTER_ACCESS_TOKEN_SECRET&env=LOGS_SECRET_PREFIX)
 
+
 ## Introduction
 
 You know [all](https://twitter.com/dan_abramov/status/890191815567175680) [of](https://twitter.com/reactjs/status/890511993261654017) [those](https://twitter.com/notquiteleo/status/873483329345028096) [code](https://twitter.com/thejameskyle/status/884986927954497536) [screenshots](https://twitter.com/zeithq/status/805779711154647040) you see on Twitter? Though the code's usually impressive, we saw room for improvement in the aesthetic department. Carbon makes it easy to create and share beautiful images of your source code. So what are you waiting for? Go impress all of your followers with your newfound design prowess.

package.json

@@ -17,7 +17,7 @@
     "cy:open": "cypress open"
   },
   "dependencies": {
-    "axios": "^0.17.1",
+    "axios": "^0.18.0",
     "body-parser": "^1.17.2",
     "codemirror": "^5.36.0",
     "codemirror-graphql": "^0.6.12",
@@ -28,14 +28,14 @@
     "dropperx": "^0.1.0",
     "express": "^4.16.2",
     "form-data": "^2.2.0",
-    "graphql": "^0.11.7",
+    "graphql": "^0.13.2",
     "highlight.js": "^9.12.0",
     "history": "^4.7.2",
     "isomorphic-fetch": "^2.2.1",
     "lodash.debounce": "^4.0.8",
     "match-sorter": "^2.2.0",
     "morgan": "^1.8.2",
-    "morphmorph": "^0.0.2",
+    "morphmorph": "^0.1.0",
     "ms": "^2.0.0",
     "next": "^5.1.0",
     "now-logs": "^0.0.7",
@@ -43,7 +43,7 @@
     "puppeteer": "^1.0.0",
     "react": "^16.2.0",
     "react-click-outside": "^3.0.0",
-    "react-codemirror2": "^3.0.7",
+    "react-codemirror2": "^4.2.1",
     "react-color": "^2.13.8",
     "react-dnd": "^2.4.0",
     "react-dnd-html5-backend": "^2.4.1",
@@ -60,11 +60,11 @@
   "devDependencies": {
     "@zeit/next-css": "^0.1.5",
     "all-contributors-cli": "^4.7.0",
-    "cypress": "^1.4.1",
+    "cypress": "^2.1.0",
     "hex2rgb": "^2.2.0",
     "husky": "^0.14.3",
-    "lint-staged": "^6.0.0",
-    "now": "^9.2.7",
+    "lint-staged": "^7.0.4",
+    "now": "^11.1.7",
     "prettier": "^1.8.1",
     "webpack": "^3.10.0"
   },
@@ -86,6 +86,11 @@
       "git add"
     ]
   },
+  "greenkeeper": {
+    "ignore": [
+      "webpack"
+    ]
+  },
   "description": "Create and share beautiful images of your source code",
   "repository": {
     "type": "git",