Fix dependency for tests, no longer depending upon a fake Buzz\Message\RequestInterface
Whoops, left a terrible require lying around.
Merge remote-tracking branch 'origin/master' into stable

Includes:
- Testing improvements
- Switch to Sensio Buzz Bundle
Merge remote-tracking branch 'origin/master' into stable
Merge pull request #2 from lassodatasystems/stable

Pull master changes into stable