Allow using HTTP REFERER as a fallback return URL
change private to protected properties and method
check if error is defined

sometimes useful when reuse template
Symfony 2.0 compat
Added SalesForce resource owner

Work mostly by @tylerism
Cleanup previous merge
Update changelog
Added some important information about setting up the twitter connection.
Merge branch '0.3'
Bumped version to 0.4 dev
Merge pull request #428 from kriswallsmith/0.2

fixed Symfony 2.0 compat
Merge pull request #427 from backender/patch-1

check if error is defined
Replace deprecated code in process() method

Replace deprecated bind() method of Symfony\Component\Form\Form by submit() one
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.
Merge pull request #445 from Irvyne/master

Replace deprecated code in process() method
Merge pull request #422 from evgeniy-baba/extendOAuthUtils

change private to protected properties and method
Merge branch '0.3'