systemd integration

This version starts integration to systemd. This is more elegant than starting a daemon directly from udev-rules and also necessary, because udev kills too-long-running processes invoked by RUN+=....

boot crash fix

This version fixes the crash on boot/unplug problem.

known issues

• udev still kills the co2monitor-service after some time. This makes data logging not really useful...

First usable release

This is the first usable version. When the co2 device is plugged in, automatic data logging in csv format is performed. There is no GUI yet.

known issues

• udev kills the co2monitor-service after some time. This makes data logging not really useful...
• on bootup/unplug, co2monitor crashes sometimes for some reason. This does not influence the basic functionality, but it's annoying.