* refactors new and edit eco account views from function to class based
* removes info message if checked intervention is altered and loses the current checked state
* updates comments/documentation
* removes code duplicates
* fixes display error where modal form was hidden behind menu bar of map client
* fixes bug where compensation could not be created directly from intervention
* introduces BaseDetailView
* refactors detail views for EIV, KOM, OEK, EMA from function based to class based
* refactors already class based HomeView to inherit from new BaseView
* refactors deduction views on interventions and eco accounts from function to class based
* introduces basic checks on shared access and permission on BaseView on dispatching --> checks shall be overwritten on inheriting classes
* changes SimpleGeomForm behaviour on small geometries (<1m²): These geometries will now be dismissed on processing
* adds a new info message in case of automatically removed geometries on saving
* updates tests
* extends 404 template (user should check the URL)
* introduces new decorator "uuid_required" which performs a check on a given 'uuid' or 'id' parameter
* throws a Http404 exception --> redirect to 404 template instead of 500 error template
* adds eco account unit tests
* adds validity check to eco account form to check on existing deductions and potential conflict with reduced deductable surface
* improves geojson handling on SimpleGeomForm
* adds/updates translation
* simplifies geometries on SimpleGeomForm if threshold GEOM_MAX_VERTICES has been exceeded
* geometry is iteratively simplified to find a proper tolerance value which satisfies the GEOM_MAX_VERTICES threshold
* splits compensation/views/eco_account.py (+700 lines) into separate files in new module
* view files can now be found in /compensation/views/eco_account/...
