Rewrite VCI-400 configuration
VCI400: detect loaded samplers
Add inertia to the wheel touch parameter.
Hook up the "vinyl" button to act the same as a wheel touch.
VCI400: Hook up big red filter knobs to effect rack2
VCI400: hook up fx enable buttons to the two units, also make the knob
the mix control.
VCI400: More tweaks based on usage.
Merge branch 'master' into VCI400
VCI400: Make the four buttons at the top the toggle buttons (keylock / quantize)
make "master fx" button do what it says.
make it more clear which buttons I'm referring to
Merge pull request #328 from ywwg/VCI400

Rewrite VCI-400 configuration
Merge branch 'master' into sync-insta-rate
Try to clean up synced rate calculation.
Merge branch 'sync-insta-rate' into sync-half-double

Conflicts:
	src/engine/bpmcontrol.cpp
Have a sync deck match phase to a non-sync deck iff they are the only two decks playing.
Make activeChannels list a member variable
Merge branch 'sync-insta-rate' into sync-half-double