Allow use of angular 1.4.x.

Author: hristozov

bower.json

@@ -23,6 +23,6 @@
   ],
   "dependencies": {
     "seiyria-bootstrap-slider": "~v4.8",
-    "angular": "~1.3.15"
+    "angular": "~1.3.15||~1.4.0"
   }
 }