* extends the API to support serializing and deserializing of action_details and biotope_details
* renames biotope_extra_types into biotope_type_details on CompensationState model for convenience reasons and to match CompensationAction's action_type_details
* extends the detail view templates for all compensation related models to render extra CompensationState details as well
* reduces number of landing page news from 4 to 3
* improves .card-text in favor of .scroll-150
* improves .card font size
* optimizes the db fetching for all index views and detail views
* introduces usage of managers.py in all necessary apps for wrapping basic fetch settings
* moves comment.html to comment_card.html under /konova/templates/konova/
* adds/updates translations
* fixes document typos
* drops comment rendering in public reports
* opens public reports in new tabs if button is clicked from the detail view
* 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
