lockd: make it killable via Ctrl+C
added some logging
lockd: first try for logging
Merge branch 'master' into develop

Conflicts:
	software/lockd/door.py
bugfix
lockd: show desired state
bugfix
lockd: bugfix
lockd: put elapsed time into exception when the port seems broken
lockd: bugfix
lockd: more relaxed handling of interface timeouts
lockd: disabled restarting of lockd when the serial port seems broken
button and irc integration
button and led integration
lockcontroller: new lock logic
Only unlock specific doors via ssh
Merge branch 'develop' of https://github.com/schneider42/luftschleuse2 into develop
Merge pull request #1 from schneider42/develop

First version with more than one door, running since a few days
git key mangement hook
updated door logic for the controllers