1.4.0

Release 1.4.0

Adds automated build for Bittboy, RG35XX**
New features: quarter note color, MIDI velocity fx command, deep clone, note audition
License changed from CC-BY-SA-NC to GPL-3
Change versioning name convention
Update README.txt

• Add font generation at build time
  Update README.txt
  Authored by: Nine-H [https://ninethehacker.xyz]

• MVEL cmd
  Set step velocity for MIDI instruments
  xiphonics/picoTracker#163
  Author: @maks@fluttercommunity.social
  Co-authored-by: djdiskmachine djdiskmachine@proton.me

• Build version name convention
  Build number is now X.Y.Z instead of XY_Z

• Adds note audition in phrase view
  Original implementation by democloid: xiphonics/picoTracker#86
  Previews notes when entering new and modifying existing notes

** RG35XX (#88) Not working, segfault on boot. Removed until 1.4.1
Adds RG35XX as build target
Added to build action
Disabled stubs for USB MIDI left in place