* adds unit test for creating report * fixes bug where new (>2018) eco accounts have not been fetched correctly from the db * adds enhancements in the frontend * improves test data setup
* adds new templatetag default_if_zero in ksp_filters.py * adds/updates translations
* introduces new app 'analysis' for annual report generating and future features * adds new templates (WIP) * adds new routes (WIP)
