Merge pull request #180 from ui-router/greenkeeper/initial

Update dependencies to enable Greenkeeper 🌴

Author: christopherthielen

package.json

@@ -86,7 +86,7 @@
     "karma-systemjs": "^0.16.0",
     "karma-webpack": "^2.0.2",
     "readline-sync": "^1.4.5",
-    "rollup": "^0.52.3",
+    "rollup": "^0.53.0",
     "rollup-plugin-commonjs": "^8.2.6",
     "rollup-plugin-node-resolve": "^3.0.0",
     "rollup-plugin-sourcemaps": "^0.4.1",