Merged oscillators into single class.

Now there is mode selection to toggle an oscillators behavior live
Added default to ADSR, setters to subsynth
Merge branch 'master' into android-master

Conflicts:
	src/oscillator.cpp
	test/test_filterchain.cpp
	test/test_oscillators.cpp
Merge branch 'android-master' of github.com:thenyeguy/ClickTrack into android-master