[FIX] Temporarily override workflows
[FIX] Some typos
[IMP] instance model fields migrated to API v8
[REM] Removed old instance.py file
[FIX] Minor changes
[IMP] mailserver model migrated to API v8
[IMP] partner model migrated to API v8
[IMP] repository model fields migrated to API v8
[REM] Removed old repository.py file