[frontend,python,cli] control auto_createrepo property of project through API and copr-cli; new command supported by cli: **modify**
[backend] fixed config option `results_baseurl` usage, in mockremote
[frontend] bugfix: send correct chroots in on_auto_createrepo_change()
Automatic commit of package [python-copr] release [1.56-1].
Automatic commit of package [copr-cli] release [1.41-1].
Automatic commit of package [copr-frontend] release [1.51-1].
Automatic commit of package [copr-backend] release [1.52-1].