* renames eco_withdraws to withdraws
* adds EcoAccountTableFilter
* changes percentage withdraw to surface withdraw --> renames amount to surface
* updates EcoAccountTable
* adds column for rendering rest of available account using a progress bar
* adds progressbar.html to konova/custom_widgets
* adds/updates translations
* removes CompensationControl model
* adds comment field to CompensationAction
* adds max length of 200 for comment fields in forms
* adds rendering of error messages in case of invalid form input
* adds/updates translations
* 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
*
* adds related eco account withdraw detail view to intervention detail view
* adds new route for removing withdraws using RemoveModalForm
* adds EcoAccountWithdraw model
* adds admin interfaces for EcoAccount and EcoAccountWithdraw
* adds message_templates.py to konova/utils for reusable messages
* splits related-documents.html and related-objects.html into separate templates for each related object type: compensations.html, documents.html, eco-account-withdraws.html and payments.html
* adds translations
* adds help texts to add payment form
* adds removing button for payments
* refactors user fetching into BaseForm
* adds generic RemoveModalForm which is intended to be used for every modal form which shall remove something
* adds translations
* removes unused html
* prepares payment amount field to be able to process german inputs like '1.000,50' which is not the international default
mipel