Merge branch '37-internationalize-template' into 'master'

templates/blog/overview.html

templates/blog/post.html

templates/blog/section.html

templates/footer.html

templates/frontpage/blog.html

templates/frontpage/claim.html

templates/frontpage/events.html

templates/frontpage/projects.html

templates/menu.html

templates/menu/gemeinschaft.html

templates/menu/infos.html

templates/menu/projects.html

templates/pages/content.html

templates/shortcodes/button.html

templates/shortcodes/further.html

templates/shortcodes/hero_section.html

templates/shortcodes/message.html

templates/shortcodes/teckids_contact.html

templates/shortcodes/teckids_event.html

templates/shortcodes/teckids_related.html