XLN XO Ableton Drumrack

Use XLN XO within a drumrack, to sequence and apply Ableton's effects on single pads (only uses a single instance of XLN XO) - uses VST3 version to be cross platform.

REV 2 - Changed pads to start at C3 in order to use Ableton defaults for sequencing on gear such as Push and other control surfaces such as those by Akai or Novation, where the functionality exists.