Ignore non-critical files from npm
Ignore non-critical files from npm

rcorp/vulcanize,threeday0905/vulcanize,Polymer/polymer-bundler,rcorp/vulcanize,bendroid/vulcanize,bendroid/vulcanize,Polymer/polymer-bundler,Polymer/tools,Polymer/tools,threeday0905/vulcanize,Polymer/tools,Polymer/polymer-bundler,Polymer/tools