Merge pull request #56 from jaebradley/greenkeeper/rollup-0.64.0

Update rollup to the latest version 🚀

Author: jaebradley

package-lock.json

@@ -58,7 +58,7 @@
     "eslint-plugin-import": "^2.12.0",
     "husky": "^0.14.3",
     "jest": "^22.4.3",
-    "rollup": "^0.63.0",
+    "rollup": "^0.64.0",
     "rollup-plugin-babel": "^4.0.0-beta.4",
     "rollup-plugin-babel-minify": "^5.0.0",
     "rollup-plugin-commonjs": "^9.1.0",