Resolve "[Excuses] Excuse types that change absence count / are uncounted"

Closes #200 (closed)

added part::backend source::customer type::feature labels

assigned to @yuha

added 3 commits

• 569aa174 - Add field `count_as_missed_lesson` to ExcuseTypes
• e9635779 - Correctly count and display excuse types in person overview
• db1a0929 - Use `count_as_missed_lesson` in ExcuseType forms and tables

Compare with previous version

assigned to @nik and unassigned @yuha

added 3 commits

• f4ef813e - Rename `count_as_missed_lesson` to `count_as_absent`
• 740d7041 - Correctly count absences in the class register printout
• fe1191d6 - Correctly count absences in the group overview and in `My Students`

Compare with previous version

marked this merge request as ready

added 1 commit

• fc34dd3a - Reformat

Compare with previous version

added 11 commits

• fc34dd3a...01ba81df - 4 commits from branch master
• a83b3fb4 - Add field `count_as_missed_lesson` to ExcuseTypes
• 6ad97931 - Correctly count and display excuse types in person overview
• c4c4b1b4 - Use `count_as_missed_lesson` in ExcuseType forms and tables
• c3fbffa0 - Rename `count_as_missed_lesson` to `count_as_absent`
• 29eae0ce - Correctly count absences in the class register printout
• f24b2423 - Correctly count absences in the group overview and in `My Students`
• 3ab861ff - Reformat

Compare with previous version

added 1 commit

• 6ef8b6a6 - Reformat

Compare with previous version

added 1 commit

• c70c929b - Update CHANGELOG.rst

Compare with previous version

added 1 commit

• aa8df47b - Reword verbose_name of count_as_absent

Compare with previous version

resolved all threads

enabled an automatic merge when the pipeline for aa8df47b succeeds

merged

mentioned in commit bd735072