Move wiki files into the doc folder, and move some older pre-fofix docs to a new folder.
Arrange the source into a single package.
Update .gitignore for the new layout and remove Cython-generated files.
setup.py: Update soundtouch-c.cpp location for the new layout.
Add __init__.py for tests
Merge branch 'master' into crude-rmscu-update

Conflicts:
	fofix/game/Scorekeeper.py
	fofix/game/guitarscene/GuitarScene.py