Create README.md
Update README.md
Added package for import midi, tried to test but failed because of using
a library
Added Test for imprort midi - doesn't find class
Merge branch 'master' of https://github.com/Catrobat/musicdroid.git
Removed package for import - problems with external jar
Delete test project - source also deleted
MIT-Changes: Add DrumLoop to SoundMixer, Play and Stop  DrumLoop in SoundMixer, Edit DrumLoop