Merge branch 'jk/import-orgu' into 'devel'

bin/create-round

bin/import-points

db/db.ddl

db/upgrade-20211006.sql

mo/db.py

mo/imports.py

mo/rights.py

mo/users.py

mo/web/imports.py

mo/web/org_contest.py

mo/web/org_users.py

mo/web/templates/doc_garant.html

mo/web/templates/doc_import.html

mo/web/templates/org_contest.html

mo/web/templates/org_contestants_import.html

mo/web/templates/org_generic_import.html

mo/web/templates/org_global_orgs_import.html

mo/web/templates/org_org.html

mo/web/templates/org_orgs.html

mo/web/templates/org_orgs_import.html