Update implementation by AngularJS with ASP.NET WebAPI
- Update .NET Framework version.
Begin impletemt with ASP.NET WebAPI.
Fix invalid reference of TweetSharp.
Implements edit actions by AngularJS.
more typing, and change implements to route base.
Support changing title.
Add confirmation UI at deleting/reloading.
Hide OwneruserId property of TweetModel in JSON HTTP payload, because it should be secret.
Sweep legacy codes.
Reduce HTTP traffic by improving treatment $resource.
Merge branch 'change/implement-by-angularjs'