[migration] more rename_entity_type fix
* ensure repository caches and system tables are properly cleanup
* delete relations from/to entities deleted through sql
So we don't ends up with a corrupted db...
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