chore(build): use minified version for the demo site

Closes #1682

Author: pkozlowski-opensource

Diff for: misc/demo/index.html

@@ -10,7 +10,7 @@
 
     <script src="http://cdnjs.cloudflare.com/ajax/libs/fastclick/0.6.7/fastclick.min.js"></script>
     <script src="http://ajax.googleapis.com/ajax/libs/angularjs/<%= ngversion %>/angular.min.js"></script>
-    <script src="ui-bootstrap-tpls-<%= pkg.version%>.js"></script>
+    <script src="ui-bootstrap-tpls-<%= pkg.version%>.min.js"></script>
     <script src="assets/plunker.js"></script>
     <script src="assets/app.js"></script>
 

Diff for: package.json

@@ -10,7 +10,7 @@
     "grunt-conventional-changelog": "~0.1.2",
     "grunt-contrib-concat": "~0.1.3",
     "grunt-contrib-copy": "~0.4.1",
-    "grunt-contrib-uglify": "~0.2.0",
+    "grunt-contrib-uglify": "~0.3.0",
     "grunt-contrib-watch": "~0.3.1",
     "grunt-contrib-jshint": "~0.4.0",
     "grunt-html2js": "~0.1.3",