define API interface to connect

1. enable IOC for controller
2. enable data model binding
3. enable api endpoints
Merge branch 'master' of https://github.com/booyuan/Waguu

Conflicts:
	Waguu/Waguu.Data/IPostRepository.cs
	Waguu/Waguu.Web/Controllers/DocumentController.cs
	Waguu/Waguu.Web/Controllers/SubmitController.cs
	Waguu/Waguu.Web/Views/Index/Index.cshtml
	Waguu/Waguu.Web/bin/Waguu.Data.WindowsAzure.dll
	Waguu/Waguu.Web/bin/Waguu.Data.dll
	Waguu/Waguu.Web/bin/Waguu.Web.dll