* adds needed migrations
* refactors forms.py (700+ lines) in main konova app
* splits into forms/ and forms/modals and single class/topic-files for better maintainability and overview
* fixes bug in main konova app migration which could occur if a certain compensation migration did not run before
* adds command sync_codelist
* provides updating of all codes to the newest version (id)
* must be run once on staging, can be dropped afterwards since the root for the problem has been resolved on the codelist management application
* adds geom back writing to form field in case of invalid geometry, so the invalid geometry will be shown again
* updates tests
* fixes bug where race condition of celery workers could lead to duplicates in parcels (needs migration)
* improves frontend layout to display more details on district, municipal and parce group
* improves ordering of parcels
* refactors parcel related models
* improves parcel fetching
* extends and simplifies sanitize_db parcel related code
* improves the way parcel-geometry relations are stored on the DB
* instead of a numerical sequence we switched to UUID, so no sequence will run out at anytime (new model: ParcelIntersection)
* instead of dropping all M2M relations between parcel and geometry on each calculation, we keep the ones that still exist, drop the ones that do not exist and add new ones (if new ones exist)
mpeltriaux