Add all files action and file view model.
Add jquery.unobtrusive-ajax and delete action.
File uploading
Add file service, saving file in local repository
Merge branch 'Vadzim' of https://github.com/VadzimBura/GroupProject 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.v11.suo
Merge branch 'Vadzim' of https://github.com/VadzimBura/GroupProject into Vadzim
Delete Password from User entity.