Migration path to new models

added 3 commits

• 435b84e0 - Drop old predicates and rules
• 13a66413 - Drop old tests
• 3c51e9d9 - Drop old templates and static files

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added 1 commit

• 3df0bb2d - Drop old preferences

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@hansegucker is this finished?

added 1 commit

• edca2cd7 - Fix some things after migration

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added 1 commit

• 5ec4dc30 - Fix __str__ method of Documentation

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added 80 commits

• 5ec4dc30...8a757f6a - 70 commits from branch master
• f10cd3ab - Create migration checking for old data requiring Lesrooster to be installed
• 7d7dee1e - Drop old models and connected stuff
• 0265905c - Add migration to delete old models
• c07b08bd - Rewrite data checks for new models
• c29718dc - Drop old predicates and rules
• cfcd6514 - Drop old tests
• f0bca8f9 - Drop old templates and static files
• 098c2b65 - Drop old preferences
• 6d56e672 - Fix some things after migration
• b51ff2bd - Fix __str__ method of Documentation

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mentioned in issue #258 (closed)

resolved all threads

added 1 commit

• b3c63074 - Comment out task

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marked this merge request as ready

changed milestone to /AlekSIS%"[NLnet #1 (closed)] Create migration path for systems with old data"

mentioned in commit 87003d00

merged