* refactors CheckableMixin and RecordableMixin into CheckableObject and RecordableObject
* adds ShareableObject for wrapping share related fields and functionality
* adds share functionality to EcoAccount and EMA, just like Intervention
* 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 EditEcoAccountForm
* adds placeholders for some form fields
* changes comment card in detail view into rlp-grayish
* adds eco account detail view comment box
* removes unnecessary loading of dal scripts in view.html
* refactors generated identifier for data objects (10 digits to 6 uppercase letter-digit combination)
* improves generate_random_string() method by adding more options for generation of strings
* adds/updates translations
* adds dynamic icon for recording and unrecording of data
* adds record view to intervention and eco accounts
* adds quality_check() method for Intervention and EcoAccount class which holds logic for data quality checking
* adds UserAction "unrecorded"
* adds record control button
* adds html markup for invalid withdraws (unrecorded account)
* adds constraint to is_valid() method of NewWithdrawForm for checking whether the selected account for a withdraw is recorded or not
* adds/updates translations
* 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
