* adds a second star icon on currently unchecked but previously checked entries
--> can be detected easier for another check run
* simplifies some related code parts
* moves some translation string into message_templates.py
* enables session timeout after 60 minutes
* improves comment card layout sizing
* adds/updates translations
* fixes bug where created timestamp has been displayed on modified attribute on detail views
* enhances localized date and datetime rendering
* reorders sub menus in user's profile hub
* removes admin backend views which are not important for production
* adds filtering functionalities on index views
* simplifies detail views on intervention, compensation, ecoaccount and ema
* adds autocomplete fields on detail views
* adds handy horizontal filter fields on detail views
* adds mail sending if shared data is deleted
* adds/updates translations
* refactors recording mails into separate email template folder email/recording
mpeltriaux