Split up SoundMixer in SoundMixer and SoundMixerLayout
Refactored SoundMixer, Timeline
Clean Up Timeline
clean up
Split up SoundMixer in SoundMixer and SoundMixerLayout
Refactored SoundMixer, Timeline
Clean Up Timeline
MUS-10 MUS-34 removed singleton TimelineEventHandler
MUS-34 added timeline progressbar class
MUS-34 added progressbar class to timeline
Organized inputs
refactored some timeline functions
Merged with master
MUS-34 fix test errors
MUS-34 https://jenkins.catrob.at/view/Musicdroid/job/Musicdroid-custom-branch/19/testReport/
MUS-34 Removed .*-imports
MUS-34 https://jenkins.catrob.at/view/Musicdroid/job/Musicdroid-custom-branch/21/testReport/
Merge pull request #30 from Catrobat/MUS-34_RefactorSoundMixer

MUS-34 RefactorSoundMixer
Merged master into this branch