Merge pull request #223 from ipfs/greenkeeper-gulp-filter-4.0.0

Update gulp-filter to version 4.0.0 🚀

Author: dignifiedquire

package.json

@@ -39,7 +39,7 @@
     "gulp": "^3.9.0",
     "gulp-bump": "^1.0.0",
     "gulp-eslint": "^2.0.0-rc-3",
-    "gulp-filter": "^3.0.1",
+    "gulp-filter": "^4.0.0",
     "gulp-git": "^1.6.0",
     "gulp-load-plugins": "^1.0.0",
     "gulp-mocha": "^2.1.3",