Symfony 2.0 compat
Merge pull request #428 from kriswallsmith/0.2

fixed Symfony 2.0 compat
Fixed use statement in EntityUserProvider (via @noyg)
Prepare 0.2.10 release
Merge branch '0.2' into 0.3

Conflicts:
	CHANGELOG.md
	Security/Core/User/EntityUserProvider.php
Revert "Symfony 2.0 compat", we don't need this in >= 0.3

This reverts commit f334874ebf2f028aa81831ed3a8e2ccf07105a09.