* A bunch of tab fixes in MidiMapping.
Tab fixes
* Coded up MidiOutputMappingsTableModel
Updated MK2 mapping to new output format. light->output...
Fixed bad capitalization of HercJob... I think
* Disabled potentially problematic qDebug() in MidiObjectALSASeq (causes issues with MIDI clock, etc)
* Modified MidiMessage and MixxxControl so they could be reused for MIDI output stuff
Capitalize menubar Mixxx item thingy on OS X