Implement and test a week_number template filter
Implement the week_number filter and correct the URL for previous and next week
Merge branch 'feature/fix-week-formating' into develop
Pep8 and fix the process_model_docstring with Django 1.6
Add documentation for the week_number filter
Update the automatic documenation path for calendar and breadcrumbs
Merge branch 'feature/fix-documentation' into develop