Allow using HTTP REFERER as a fallback return URL
Test bundle against FOSUserBundle 2.0.*
Several Vkontakte Bugs:

1)Mapping doesnot work due to API violation
2)Forget to read photo field from profile
Merge pull request #447 from AlexandrL/0.3

Several Vkontakte Bugs:
Security issue: login as user with socialId === null when something goes wrong

* https://github.com/hwi/HWIOAuthBundle/issues/438
Yahoo sign request fix

* everything is fine now according to: http://oauth.googlecode.com/svn/code/javascript/example/signature.html
Merge pull request #456 from nenadalm/fixes

Fixes
Prevent SessionUnavailableException when returns back from service.
[TwitterResourceOwner] Fix link to API

Details at: https://dev.twitter.com/discussions/24239
Fix: #467, #466, #465
Merge pull request #462 from Koc/fix-session

Prevent SessionUnavailableException when returns back from service.
EntityUserProvider should implement UserProviderInterface

I tried extending `EntityUserProvider` and ran into issues because it doesn't implement `UserProviderInterface`. This fixes that.
Expose entity manager to subclasses of EntityUserProvider

This is useful for creating and persisting a user that doesn't exist
make GenericOAuth1ResourceOwner getRequestToken public
Merge pull request #485 from oste/master

make GenericOAuth1ResourceOwner getRequestToken public
Merge pull request #483 from lmcd/0.3

Expose $em and implement UserProviderInterface in EntityUserProvider
[Bugfix] Make error description detection compliant with OAuth2
The arameter 'error_description' should be also used to detect
error message, as in the OAuth2 documentation (http://tools.ietf.org/html/rfc6749#section-4.1.2.1).

Original code by: Olivier Maridat
Added italian translations
Adding createdAt property to serialization

The createdAt property was not serialized so the isExpired() method was not working as intended.
Merge pull request #408 from lemoinem/feature/referer-as-fallback-return-URL

Allow using HTTP REFERER as a fallback return URL
Merge branch '0.3'