continuous integration

[clonker]

we could consider using shippable (or something similar, if you know something?) for the time being.. even though it appears to be slow and right now i don't see the option to invite people to it

or we just don't use any ci and test locally as long as the repo is private

[marscher]

I could also add an jenkins job, but accessing this needs a ssh tunnel to reach it...

[clonker]

works for me, as long as we have at least some CI