Upgrade to grunt-download-atom-shell@0.5.0

build/package.json

@@ -17,7 +17,7 @@
     "grunt-contrib-coffee": "~0.7.0",
     "grunt-contrib-less": "~0.8.0",
     "grunt-cson": "0.5.0",
-    "grunt-download-atom-shell": "git+https://atom-bot:362295be4c5258d3f7b967bbabae662a455ca2a7@github.com/atom/grunt-download-atom-shell#v0.4.0",
+    "grunt-download-atom-shell": "git+https://atom-bot:362295be4c5258d3f7b967bbabae662a455ca2a7@github.com/atom/grunt-download-atom-shell#v0.5.0",
     "grunt-lesslint": "0.13.0",
     "grunt-markdown": "~0.4.0",
     "grunt-shell": "~0.3.1",