begun bass clef and 3/4 support
Merge remote-tracking branch 'origin/master' into HEAD
Added bass clef detection as well as common time signatures and accidentals
Merge branch 'master' of https://github.com/ltb11/SightReading into datbranch

Conflicts:
	src/musicdetection/MusicDetector.java
	src/org/sightreader/SightReaderActivity.java