Merge branch 'feature/smartplan-optimization' into dev

schoolapps/menu/views.py

schoolapps/templates/partials/header.html

schoolapps/timetable/pdf.py

schoolapps/timetable/templates/timetable/all.html

schoolapps/timetable/templates/timetable/datepicker.html

schoolapps/timetable/templates/timetable/myplan.html

schoolapps/timetable/templates/timetable/plan.html

schoolapps/timetable/templates/timetable/quicklaunch.html

schoolapps/timetable/templates/timetable/substitution.html

schoolapps/timetable/tests.py

schoolapps/timetable/urls.py

schoolapps/timetable/views.py

schoolapps/untisconnect/parse.py

schoolapps/untisconnect/sub.py

schoolapps/userinformation.py