[repoapi, cwconfig] give a convenience method to get a repository from a config This is a very common need. The private repoapi._get_inmemory_repo becomes config.repository(...)

usr/bin/cubicweb-ctl usr/bin/
usr/lib/python2*/*-packages/cubicweb/cwctl.py
../cubicweb-ctl.bash_completion etc/bash_completion.d/cubicweb-ctl