* [supervision] Set custom icons, and change shortcut for clean.
* [supervision] Add control panel selector.
* [supervision] remember last target built.
* [supervision] refresh AC before build.
* [supervision] disable build and clean buttons during build/clean.
* [supervision] Move AC color at the left.
* [supervision] Add shortcuts and rename "flash" to "upload".
* [supervision] Fix telemetry select base path.
* [supervision] return key terminate program.
* [supervision] Add option to keep "build" programs after they finished.
Fabien-B