Merge branch 'jirka/protokoly-trideni' into 'devel'

constraints.txt

db/upgrade-20211026.sql

mo/db.py

mo/jobs/protocols.py

mo/web/__init__.py

mo/web/org_contest.py

mo/web/org_users.py

mo/web/templates/org_contest.html

mo/web/templates/org_contest_protocols.html

mo/web/templates/org_contest_scans.html

mo/web/templates/org_contest_scans_process.html

setup.py

static/js/autocomplete.js

static/mo.css