* adds button and functionality for leaving a team
* if the admin leaves the team, another user will be chosen as new admin automatically
* improves Team (django) admin backend
* better control over user adding-removing
* only added team members are selectable as admin
* extends admin backend
* adds found_in_codelists to KonovaCodeAdmin to see where a KonovaCode can be found in
* improves rendering of after_states and before_states for all AbstractCompensationAdmins
* adds geometry_id to all major datatype admin backends
* adds st_area like calculation to geometry admin backend
* update_all_parcels
* orders geometries by size (small to big) to process smaller geometries first and bigger later
* adds more output to command for a better overview of what is just going on
