This reverts commit 77bfa13b.

feat: use Django model permissions for Category, FundingCategory, Language, License, LinkType, MusicFocus, Topic annd Type

This apparently needs to done in a separate migration step

Closes: #185

fix(Dockerfile):  To avoid permsiions problems, we will set permission at dockerfile

See merge request !27

aura#251

Closes: #178

Closes: aura#251

Closes: 183

the Show IDs are now listed and filtered according to the settings

BREAKING CHANGE:

Closes: #179

remove TimeSlotManager and use them as functions

Closes: #180