* adds eco-account own includes for simpler maintainability instead of refactoring to generic includes for compensation app and predefining urls and stuff on the backend
* adds before-state, after-state, actions, deadlines, documents and withdraws to eco account detail view
* adds hint for invalid withdraw in intervention detail view in case of deleted eco account
* adds/updates translations
* adds detail view for eco account
* adds withdraw detail view to eco acount detail
* generalizes compensation/includes templates to be reusable for eco-accounts
* moves is_shared_with() check to class BaseObject
* adds/updates translations
* reduce compensation/views.py file size by splitting into three sub view files in compensation/views/xy_views.py for compensation, eco-account and payment
* restructure urlpattern list by splitting into three smaller lists for a better overview and maintainability
