Minor fixes to VKonakte:
Minor fixes to VKonakte:

 - User first names are better as their display names in Wordpress than their VK IDs.
 - After migrating to HHVM I started receiving warnings from the code setting the City and Country and it turned out it didn't work. I don't know if it had worked ever. This change fixes it.

NickIvanter/wordpress-social-login,NickIvanter/wordpress-social-login,NickIvanter/wordpress-social-login,NickIvanter/wordpress-social-login