Merge pull request #6 from visy/spiikki

päivitetty casen tekstuuri
fixed bugs, added old midi + mapping data back
flatti 3d mesh
Merge branch 'master' of https://github.com/visy/midisystem into spiikki
+ Loader indicates the loading status through lightness sweep, better debugging messages
Merge branch 'master' of https://github.com/visy/midisystem into spiikki