Bump bower version to 0.3.7

Author: Tim van der Horst

bower.json

@@ -4,7 +4,7 @@
     "awesome-bootstrap-checkbox.css",
     "awesome-bootstrap-checkbox.scss"
   ],
-  "version": "0.3.5",
+  "version": "0.3.7",
   "homepage": "https://github.com/flatlogic/awesome-bootstrap-checkbox",
   "authors": [
     "okendoken flatlogic.com"