genBot: Sleep 100ms in serial poll loop to bring down CPU usage

CPU usage in idle state drops from 60% on both cores to virtually nothing.
added possibility to state a reference cocktail and offsets
Merge branch 'master' of github.com:rfjakob/barwin-pc
added the possibility to define a reference cocktail
Merge branch 'master' into refcocktail
stop editing ingredient files all the time
little improvements
with autoload and a bit of cleaning up
bug squashed
Merge branch 'master' into refcocktail
better name for exception
bugfixes and restructering
Merge branch 'master' into refcocktail
ingredients without date
mean offset working for mate spezi
simply sending direct messages, dance implemented
better serial port handling at start of the server
cleaning up
nicer output
replace database with txt file storage, beginning redesign