[security] TokenFactory accepts urls as targetPath and afterPath.
[security][symfony] move TokenFactory from symfony bundle to bridge.
[security][symfony] move HttpRequestVerifier from bundle to bridge.
[security] symfony's token factory has to require UrlGeneratorInterface
Merge pull request #122 from Payum/move-sf-bundle-stuff-to-bridge

Move sf bundle stuff to bridge
Merge branch '0.8'