* adds functionality for check button
* adds highlighting of important data on detail view for intervention
* adds deleting logic to BaseObject model and BaseResource model
* adds RunCheckForm
* adds check_validity() method to Intervention class
* fixes wrong success msg for adding documents
* adds/updates translations
* adds Revocation model to interventions/models.py
* adds revocations to interventions detail view
* fixes duplicated ids in html includes
* refactors controls for detail view into included template files (controls.html)
* reduces max length for payment transfer notes from 1000 to 200
* adds RevocationAdmin to intervention/admin.py
* adds new form for adding a Revocation to an intervention's legal_data
* only one revocation per intervention possible
* removes add button in case of an existing revocation
* adds revocation routes to intervention app
* renames document field in Document model into file for more clarity
* adds/updates translations
* moves diff_states message back to table top for direct presentation in compensation/detail/view.html
* removes diff_states rendering in deadline card in compensation/detail/view.html
* fixes before_state adding based on GET parameter
* refactors UserActionlogEntryEnum into a UserAction TextChoice (Django 3.x)
* adds ordering of compensation states depending on surface value
* refactors ServerMessageImportance from enum into TextChoice (Django 3.x)
* adds/updates translations
* adds access checks depending on the current group confgiguration of a user
* removes buttons for adding/editing or removing data if default group is not set for a user
* removes buttons for adding/removing related data in unshared interventions
* removes shared-user setting from share menu of an intervention if user is not zb or ets
* renames has_access() from intervention Model into is_shared_with() for more clarity
* fixes bug in group check in_group() from utils.py
* refactors base attributes created and deleted into UserActionLogEntry foreign keys
* refactors all related queries and process logic
* fixes binding_on into binding_date in intervention/detail/view.html
* adds basic __str__ for some models
*
* extends share link form to share settings form
* adds list of users with access to the intervention
* adds logic for removing these users
* enhances translations
* adds modal for rendering the share url
* adds new custom_widget text-to-clipboard-input.html
* provides a copy button for writing the text input's value into the client's clipboard
* adds translation
* adds access_token as new attribute
* adds generating of access_token
* adds new form
* adds two new routes for sharing an intervention
* adds translation
* adds render_submit to BaseModalForm which triggers rendering the modal footer
* refactors templates/table.html into templates/generic_index.html
* adds DummyFilterInput as do-not-render-widget
* hardens combination of q filter and other filters on index view rendering
mipel