Adding interfaces to the profile model/gateway/repository/manager chain
Adding interfaces for the user gateway/model/repository/manager chain
Adding a ProfileUserInterface and replacing usages of Symfony
UserInterface with it
Merge branch 'master' of github.com:codeconsortium/CCDNUserProfileBundle into interfaces

Conflicts:
	Model/Component/Manager/UserManager.php
	Model/Component/Repository/UserRepository.php
	Model/FrontModel/UserModel.php
Updating the interfaces after merge
Update the installation doc
Merge pull request #11 from maartenJacobs/interfaces

Interfaces for (nearly) everything