Start working on effects
Effect adding working
Add echo effect
ds_store to gitignore
Effect parameter changing working. EffectParameter to ease ui creation
Add Knob class
Add ParameterKnob class
Start implementing effect rack ui
add effect button. For testing purposes only adds echoes.
Prevent adding effects if no sound loaded. Remove button for effects
implement low pass filter
effect selection menu
add names for effects
implement (de)activating effects
add (crappy) high pass filter
Merge branch 'effects'

Conflicts:
	src/jcue/domain/audiocue/AudioCue.java
	src/jcue/domain/audiocue/AudioStream.java
	src/jcue/ui/AudioCueUI.java
Merge remote-tracking branch 'remotes/origin/master'