personal pages, minor UI improvements, sticky navbar

home/migrations/0016_homepeoplepage_homepersonpage.py

.../migrations/0017_alter_homepeoplepage_options_and_more.py

home/migrations/0018_remove_homepersonpage_name.py

home/migrations/0019_alter_homepage_controller_and_more.py

home/migrations/0020_homearticlepage_author_page_and_more.py

home/migrations/0021_alter_homepage_controller_and_more.py

home/migrations/0022_alter_homepage_controller_and_more.py

home/models.py

home/templates/home/blocks/person_page_block.html

home/templates/home/home_article_page.html

home/templates/home/home_document_page.html

home/templates/home/home_documents_page.html

home/templates/home/home_event_page.html

home/templates/home/home_events_page.html

home/templates/home/home_page.html

home/templates/home/home_people_page.html

home/templates/home/home_person_page.html

institut/templates/base.html