sync styleguide changes, run hooks

main/blocks.py

main/menu.py

main/migrations/0063_alter_mainhomepage_content.py

...rations/0064_mainhomepage_important_item_name_and_more.py

...migrations/0065_alter_mainhomepage_important_item_name.py

main/migrations/0066_alter_mainhomepage_menu.py

main/migrations/0067_alter_mainhomepage_menu_and_more.py

.../migrations/0068_alter_mainhomepage_footer_other_links.py

main/migrations/0069_remove_mainarticlepage_article_type.py

main/migrations/0070_remove_mainarticlespage_perex.py

main/migrations/0071_remove_mainpeoplepage_perex_and_more.py

main/migrations/0072_alter_mainarticlepage_content.py

...migrations/0073_alter_mainarticlepage_content_and_more.py

main/migrations/0074_mainpersonpage_primary_group.py

...tions/0075_rename_people_mainpersonpage_related_people.py

main/migrations/0076_remove_mainarticlepage_is_black.py

main/migrations/0077_alter_mainarticlepage_image.py

main/migrations/0078_alter_mainarticlepage_image.py

...ons/0079_remove_mainpersonpage_related_people_and_more.py

...ons/0080_remove_mainpersonpage_related_people_and_more.py