includeIfExists function now works properly(return false now)
Almost PHPDoc problems fixed
PHPDoc fix
Merge remote-tracking branch 'getjump/master'
Remove unneeded use
CS fixes
Remove author to fix phpunit group detection
find artifacts recursively in given path
uses regex to filter file extension
changed Test to make sure subfolder packages are found correctly
Merge pull request #2004 from jaypea/recursive_artifactrepository

ArtifactRepository needs recursive iteration