trailing comma breaks bower install (#161)

trailing comma breaks bower install

Author: seiyria

bower.json

@@ -26,7 +26,7 @@
     "angular": ">= 1.3 <=1.7"
   },
   "devDependencies": {
-    "bootstrap": "~3.3.6",
+    "bootstrap": "~3.3.6"
 
   }
 }