* adds NewEcoAccountForm
* refactors NewCompensationForm into AbstractCompensationForm so main fields can be reused again
* fixes template bug in account detail view where the amount of deductions has been displayed instead of the available rest
* refactors _generate_new_identifier() into generate_new_identifier()
* refactors get_available_rest() into returning both, the total and relative amount
* improves saving of SimpleGeometryForm()
* adds/updates translations
* adds NewCompensationForm content and functionality
* renames CODELIST_COMPENSATION_COMBINATION_ID into CODELIST_COMPENSATION_FUNDING_ID for more clarity
* reorganizes compensation forms into compensation/forms/forms.py and forms/modalForms.py
* adds new compensation html template in compensation/templates/compensation/new
* adds new default message template in message_templates.py: IDENTIFIER_REPLACED
* adds/updates translations