1.0 features

- Studio GUI

- MIDI Remapping feature - being able to load a song created on an alien setup
  and play it adequately (not perfectly) without too much hassle.

- Management of the user's setup (autoload.rg)

- Fix MIDI export

- Improve GUI response when playing (multithread / mmap) (after 1.0 ?)

- Simulataneous multiple audio track record

- Score Scanning?

- MIDI clock support


