Finish merge
Merge pull request #3 from VadzimBura/Vadzim

Vadzim
Added validation styles.
Changed db.
Added view for news, categories, rss formatter, validation for form.
Updated ioc config, fixed rss formatter.
Updated db, add view for edit news feed.
Finished implements news feed.
Added file upload with preview.
Merge remote-tracking branch 'remotes/origin/Vika' into Vadzim

Conflicts:
	FileExchange/FileExchange.BLL/FileExchange.BLL.csproj
	FileExchange/FileExchange.WebUI/App_Data/FileExchange.mdf
	FileExchange/FileExchange.WebUI/App_Data/FileExchange_log.ldf
	FileExchange/FileExchange.WebUI/App_Start/IocConfigurator.cs
	FileExchange/FileExchange.WebUI/Controllers/AuthorizationController.cs
	FileExchange/FileExchange.WebUI/Controllers/HomeController.cs
	FileExchange/FileExchange.WebUI/FileExchange.WebUI.csproj
	FileExchange/FileExchange.WebUI/Web.config
	FileExchange/FileExchange.v11.suo