[joscha/play-authenticate#213] Added Serializable wrapper for RequestToken
Upgraded easymail
Merge pull request #214 from dborisenko/feature/bugfix-213-serialization-exception-with-memcached-plugin

Added Serializable wrapper for RequestToken
Merge pull request #218 from mkurz/easymailupgrade

Upgraded easymail
Add "display" param to OAuth2/Facebook auth provider