Revert "Mark lib as post-0.16.0 format."

This reverts commit 819508275642e5f2eb7d751c80af543e0c6bdd5a.

bower.json

@@ -18,7 +18,7 @@
     "MIT"
   ],
   "dependencies": {
-    "amber": ">0.16.0",
+    "amber": ">=0.15.0",
     "amber-contrib-web": ">=0.3.0",
     "jquery-ui": ">=1.9.2",
     "bootstrap": "^3.3.4",