File uploading and downloading added. Change file size for upload.
Move strings in Web.config, refactor rssService.
Add BlocksHistory Entity.
Refactor code.
Fix file extension for client. Deleting file link in file link table on downloading.
Add AuthorizationController.
Merge remote-tracking branch 'remotes/origin/master' 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/AutomapperConfig.cs
	FileExchange/FileExchange.WebUI/Controllers/HomeController.cs
	FileExchange/FileExchange.v11.suo
Merge remote-tracking branch 'remotes/origin/Slava' into Vadzim

Conflicts:
	FileExchange/FileExchange.BLL/Concrete/FileService.cs
	FileExchange/FileExchange.BLL/FileExchange.BLL.csproj
	FileExchange/FileExchange.BLL/Interfaces/IFileService.cs
	FileExchange/FileExchange.DAL/ConfigManager/ConfigManager.cs
	FileExchange/FileExchange.DAL/FileExchange.DAL.csproj
	FileExchange/FileExchange.WebUI/App_Data/FileExchange.mdf
	FileExchange/FileExchange.WebUI/App_Data/FileExchange_log.ldf
	FileExchange/FileExchange.WebUI/App_Start/AutomapperConfig.cs
	FileExchange/FileExchange.WebUI/Controllers/FileController.cs
	FileExchange/FileExchange.WebUI/ViewModels/FileViewModel/FileViewModel.cs
	FileExchange/FileExchange.v11.suo
Refactor code.
Add bootstrap to solution.
Merge with Vadzim branch.