a little housekeeping...
Add refresh_token/expires_in and offline access to OAuth2/Google auth provider.
closes #75.
Add refresh_token/expires_in and offline access to Facebook auth provider.
update change log
Update copyright for icons
Authentication Provider for vk.com.
closes #100
Update social media icons to Release v1.10.0
Move to HttpClient 4.2.5
Move to deadbolt version 2.1-RC2
link to VK
bump version
2.1.2 version hint
bump default play version to 2.1.2
Merge branch 'master' of github.com:joscha/play-authenticate
make travis use play 2.1.2
use play 2.1.2 on heoku/etc.
also apply down evolutions (careful!)