* refactors team views
* split views.py into users.py and teams.py in users app
* refactors method headers for _user_has_permission()
* adds method and class comments and documentation to base view classes
* splits compensation/forms.py and /modalForms.py into individual files inside new packages
* general forms stay in new files in compensation/forms
* modal forms stay in new files in compensation/forms/modals
* adds needed migrations
* refactors forms.py (700+ lines) in main konova app
* splits into forms/ and forms/modals and single class/topic-files for better maintainability and overview
* fixes bug in main konova app migration which could occur if a certain compensation migration did not run before
* adds support for payment adding/deleting to intervention log
* adds support for deduction adding/deleting to intervention/ecoaccount log
* improves code snippets
* drops add_deduction() methods for ecoaccount and intervention in favor of simpler creation in NewDeductionModalForm
* adds messages
* adds/updates translations
