Merge pull request #421 from amfleming/patch-2

Include ng-sortable.js in bower distribution

bower.json

@@ -1,6 +1,11 @@
 {
   "name": "Sortable",
-  "main": "Sortable.js",
+  "main": [
+  	"Sortable.js",
+  	"ng-sortable.js",
+  	"knockout-sortable.js",
+  	"react-sortable-mixin.js"
+  ],
   "version": "1.2.0",
   "homepage": "http://rubaxa.github.io/Sortable/",
   "authors": [