added  Provider resource
added  ProviderData resource
added Directory.getProvider
added Account.getProviderData and isNew flag
added Application.getAccount
updated RequestExecutor behaviour, now it sets isNew flag if response.statusCode === 201
added auto expand of Provider resource on Directory creation if provider is set
added Google oauth login sample
added Facebook oauth login sample
social samples updates
add google social login readme
scopes updated
updated Application.getAccount to {account, created} response obj signature
Merge pull request #3 from valorkin/social_login_support

Social login support