Revert deps update

Author: mchapman

package-lock.json

@@ -8,7 +8,7 @@
     "url": "https://github.com/forms-angular/fng-ui-select"
   },
   "dependencies": {
-    "select2": "^4.0.13",
+    "select2": "=3.5.1",
     "ui-select":"^0.19.8"
   },
   "engines": {