v0.9.0

Changelog

d2eaeef chore: idk why travis complains about this one
91995af fix: shadowed error
4fb7970 chore: better gometalinter
f146edb fix: deb: cyclo complexity
8063cc1 test: parallel acceptance tests
09991ab test: empty managed dirs acceptance tests
eef4f1b feat: support creating empty managed dirs
36ec9c0 feat: deb: create empty managed dirs
a2ecad5 feat: rpm: create empty managed dirs
03334d1 chore: faster it test by not sending too much context to docker daemon