chore(package): update rollup to version 0.63.5

Closes #4

Author: greenkeeper[bot]

package.json

@@ -92,7 +92,7 @@
     "prompt": "^1.0.0",
     "replace-in-file": "^3.0.0-beta.2",
     "rimraf": "^2.6.1",
-    "rollup": "^0.62.0",
+    "rollup": "^0.63.5",
     "rollup-plugin-commonjs": "^9.0.0",
     "rollup-plugin-json": "^3.0.0",
     "rollup-plugin-node-resolve": "^3.0.0",