Update grunt-bowercopy to 0.5.0

package.json

@@ -44,7 +44,7 @@
     "grunt-contrib-uglify": "0.2.7",
     "grunt-contrib-watch": "0.5.3",
 
-    "grunt-bowercopy": "0.4.1",
+    "grunt-bowercopy": "0.5.0",
     "grunt-compare-size": "0.4.0",
     "grunt-git-authors": "1.2.0",
     "grunt-jscs-checker": "0.2.6",