[repository] refactor and optimize '?1' relation handling
* only skip auto remove if activeintegrity is explicitly disabled
* do it even for inlined relation, so hooks are properly called
* on entity creation, only cleanup what's needed
debian/tmp/usr/bin/cubicweb-ctl usr/bin/
debian/tmp/usr/lib/PY_VERSION/site-packages/cubicweb/cwctl.py usr/lib/PY_VERSION/site-packages/cubicweb
debian/cubicweb-ctl.bash_completion etc/bash_completion.d/cubicweb-ctl