Moved motor ctrl and CmdAdapter impl. out of the sketch (src/lintilla_embedded.cpp), using new ultrasonicranging version (1.1.0) with obstacle detection.
- NEW: added lib/prod/traction, encapsulating motor control
- NEW: added ACmdAdapter and ATractionAdapter implementations to lib/prod/sockets/
- CHG: lib/comp/ultrasonicranging: new version 1.1.0, hosted in GitHub now

Signed-off-by: Dieter Niklaus <dieter.niklaus@gmx.net>