Add logging to checkin code

[puiterwijk]

This should help with finding issues with checkin.

Signed-off-by: Patrick Uiterwijk puiterwijk@redhat.com

[pypingou]

:+1: on the idea, just wondering about the name of the logger

[adrianreber]

Is this ready to be merged? If yes, I will make a release tomorrow, ready to be installed after the freeze is over.

[pypingou]

It has a :+1: for a while now :)