*fetch data from webapi & display.
* added spinner for httprequest.
* fixed some design issues depending upon the availability of items.
* error message from webapi displayed when problem with posting.
* tell API to use JSON instead of XML
* use iisexpress
* default page renamed to index
Merge branch 'master' of https://github.com/sunilmunikar/AngularVsBackbone

Conflicts:
	ShoppingCartDemo.sln
	WebApi/ShoppingCartDemo.WebApi/ShoppingCartController.cs