fix(oldieshim): avoid json3 being injected twice

bower json3 main entry is lib/json3.js not lib/son3.min.js so wiredep injects the max version again

Author: stevemao

templates/common/app/index.html

@@ -56,7 +56,7 @@ <h3 class="text-muted"><%= appname %></h3>
     <!-- build:js(.) scripts/oldieshim.js -->
     <!--[if lt IE 9]>
     <script src="bower_components/es5-shim/es5-shim.js"></script>
-    <script src="bower_components/json3/lib/json3.min.js"></script>
+    <script src="bower_components/json3/lib/json3.js"></script>
     <![endif]-->
     <!-- endbuild -->