Initial migration from the staging area...
More working-er configure messages for the additive oscillators...
UI fixes..
Minor fixes...
Very close to working...  Still some minor issues to sort out, but
works and works pretty f'ing well...
The additive oscillators are rapidly approaching the point of
being pure magic...
More additive osc fixes and performance tweaks...
The new additive oscillators are now properly hooked into the preset
management system...  Barring any horrible regressions being discovered,
this feature branch is ready for merging...