Updated phpdoc to be more precise about return values
Fixed the debug command for Symfony 2.4+

This backports the fixes done by @ClementGautier in the 2.0 version of
the bundle.
Closes #127
Merge branch '1.x'

Conflicts:
	Command/RouterDebugExposedCommand.php
	Extractor/ExposedRoutesExtractorInterface.php
	Tests/Controller/ControllerTest.php
Fixed phpdoc
CS
Fix serialization of RouteCollection and RoutesResponse

This should fix #121
Fix travis-ci config
Merge pull request #129 from FriendsOfSymfony/fix-121

Refactor serialization stuff
Merge branch 'FOS/master'
added git ignore