Creates the auth url

GetAuthURI

/// <summary>
/// Creates the auth url
/// https://accounts.google.com/o/oauth2/auth?client_id={clientid}&amp;redirect_uri=urn:ietf:wg:oauth:2.0:oob&amp;scope={scope}&amp;response_type=code
/// client id from google developer console.
/// scope comma seproated 
/// </summary>
/// <returns></returns>
public static Uri GetAuthURI()
{
  return new Uri(string.Format("https://accounts.google.com/o/oauth2/auth?client_id={0}&redirect_uri=urn:ietf:wg:oauth:2.0:oob&scope={1}&response_type=code", Properties.Resources.clientId, Properties.Resources.scope));
}