Add tests
Fix tests & YamlLintCommand help formatting
fabbot fixes
Use Generator to iterate over the filesystem
Move STDIN related code in a method
Use RecursiveIteratorIterator::LEAVES_ONLY rather than SELF_FIRST
Stop using the Finder component when available (Make findFiles() private)
Re-add FrameworkBundle YamlLintCommandTest
Use CommandTester::getStatusCode() rather than assign execute()
Re-add feature for bundle directories, Test it
