(cherry picked from commit 7915b78d)

Merge branch '26-validity-ranges-are-linked-to-terms-only-by-untis-id-and-not-by-school-term' into 'master'

Resolve "Validity ranges are linked to terms only by Untis ID and not by school term"

Closes #26

See merge request !81

Wrap the complete import in an atomic revision

See merge request !80

Update poetry.lock

See merge request !79

Update changelog from 2.0rc1

See merge request !78

(cherry picked from commit 65dd9dd6)

Update translation files

See merge request !76

Use gettext_lazy for preference section verbose names

See merge request !75

Update pyproject.toml, poetry.lock and tox.ini for 2.0b0

See merge request !74

Update translation files

See merge request !72

Update changelog for 2.0b0

See merge request !71

Remove XML importer for now

See merge request !70

This can be reverted completely when working on #7 outside of the release cycle.

Resolve "Rename rules to allow differentiation from permissions"

Closes #24

See merge request !69

Update poetry.lock

See merge request !68

Resolve "Extra lessons are imported without linked school terms"

Closes #23

See merge request !67

Denote Teckids e.V. as licensor as defined by EUPL

See merge request !66

This is important to clarify the jurisdiction and court location in case of
license disputes.

Update copyright information for 2021

See merge request !64

Update poetry.lock

See merge request !65

Update dependency defusedxml to ^0.7.0

See merge request !63

Resolve "Break supervisions must be deleted cleanly"

Closes #21

See merge request !62

Trigger dist pipeline on master

See merge request !61