Added getScopes and setScopes methods to IdentityProvider.

Signed-off-by: Isern Palaus <ipalaus@ipalaus.com>
Merge pull request #28 from ipalaus/feature/scopes

Added getScopes and setScopes methods to IdentityProvider.
Rename Linkedin.php to LinkedIn.php

Fixed an issue where LinkedIn provider wasn't found in case-sensitive environments.
Merge pull request #31 from crhayes/master

Rename Linkedin.php to LinkedIn.php
Vkontakte Provider has been added
Merge pull request #37 from PavelPolyakov/master

Vkontakte Provider has been added
Create LICENSE
Added widgets
Listed MIT in README
PSR-2 CS Fixes
Add a Bitdeli badge to README
Merge pull request #44 from bitdeli-chef/master

Add a Bitdeli Badge to README