Add config version control

Conflicts:
	Mobile/Base/BusinessProcess/Application/Settings.cs
	Mobile/Base/DAL/Client.cs
	Mobile/Base/DAL/ClientMetadata.cs
	Mobile/Base/DAL/DAL.cs
	Mobile/Base/SyncLibrary/ClientCommon/CacheControllerBehavior.cs
	Mobile/Base/SyncLibrary/ClientCommon/HttpCacheRequestHandler.cs
Merge branch 'master' of https://github.com/BitMobile/core