#7 New Form

* 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

compensation/templates/compensation/detail/eco_account/view.html

@@ -33,7 +33,7 @@
                     <tr>
                         <th scope="row">{% trans 'Available' %}</th>
                         <td class="align-middle">
-                            {{obj.deductions_surface_sum|floatformat:2}} / {{obj.deductable_surface|floatformat:2}} m²
+                            {{available_total|floatformat:2}} / {{obj.deductable_surface|floatformat:2}} m²
                             {% with available as value %}
                                 {% include 'konova/custom_widgets/progressbar.html' %}
                             {% endwith %}