Migrated to SuluTestCase
Do not use hard coded IDs for MediaTypes

- Use their names instead
Updated travis
Updated travis
Merge branch 'develop' of git://github.com/sulu-cmf/SuluMediaBundle into enhancement/updated-tests

Conflicts:
	Tests/Functional/Controller/MediaControllerTest.php
Merge branch 'enhancement/updated-tests' of git://github.com/sulu-cmf/SuluMediaBundle into enhancement/updated-tests
Merge branch 'enhancement/updated-tests' into develop