update copyleft text

czech_inspirational/templates/czech_inspirational/base.html

district/templates/district/base.html

districts/templates/districts/base.html

donate/templates/donate/base.html

donate/templates/donate/donate_project_page_coalition.html

green_deal/templates/green_deal/base.html

senate/templates/senate/base.html

...mplates/styleguide2/includes/organisms/layout/footer.html

tuning/templates/tuning/sites_list.html