Added classs library for writing tests
Added AccountProviderFactory tests
Made general test for FacebookAccountProvider
VK test, but problem because of sex enum type
Made VKAccountProvider Get_VK_User_Data test
small cleanup
Merge branch 'develop' into tests
Added GoogleProviderTests and fixed exceptions in GoogleAccountProvider
Made Get_Twitter_User_Data test
improved tests and GoogleAccountProvider +  added convert methods to User class
Conflickt resolved
Rewrite Get_Twitter_User_Data test
Rewrite FacebookUserData dto
Rewrite FacebookAccountProvider Test
Fix google a bit
Rewrite VKAccountProvider test with dto, etc
Twitter cleanup (provider, test, dto)
Rewrite Google data and func (dto, provider, test, etc)
Providers and User cleanup