* compensations won't be listed in index table if related intervention has been deleted
* adds functionality for intervention remove button
* adds outcommented code
* adds configurable redirect_url for RemoveModalForm's process_request method
* adds translation
* adds user/includes/contact_modal_button.html for calling contact data of a user
* adds user contact modal to intervention detail view
* adds 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 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
* splits Intervention model into three main components
* Intervention (main object)
* LegalData (holds legal dates, laws, etc.)
* ResponsibilityData (holds organizations and handler)
* This way data can be extended more easily in the future
* refactors admin.py and usages in templates
* introduces UuidModel as a base class for BaseResource
* adds UserActionLogEntry model to user/models.py
* wraps user and timestamp info
* can be extended for more information in the future
* refactors all filtering and accessing on values
