SDC-512 - improving filter mechanism

...se/templates/taskdatabase/filter/clear_filter_button.html

...atabase/templates/taskdatabase/filter/filter_buttons.html

atdb/taskdatabase/templates/taskdatabase/index.html

...e/templates/taskdatabase/quality/clear_filter_button.html

...tabase/templates/taskdatabase/quality/filter_buttons.html

...database/templates/taskdatabase/quality/quality_page.html

...ase/templates/taskdatabase/query/clear_filter_button.html

atdb/taskdatabase/templates/taskdatabase/query/index.html

atdb/taskdatabase/urls.py

atdb/taskdatabase/views.py