Merge branch 'develop' into feature/4509-image-upload-response-errors
removed double comment
Refactor mobile publisher
Merge pull request #4603 from Flaburgan/fix-aspect-dropdown-contact-page

[Ready to review] Fix aspect dropdown on contacts page
Fix wrong pluralization key in en.yml
Updated the Galician (gl) translation.
Merge pull request #4611 from Gallaecio/gl

Updated the Galician (gl) translation.
Merge pull request #4548 from diaspora/remove_acts_as_taggable_on_from_admin_panel

Remove acts as taggable on from admin panel
remove next and previous functionality from router
remove #next and #previous from posts_controller
remove #next_post_path and #previous_post_path from postpresenter
remove PostViewerNav
remove PostViewerAuthor
remove PostViewer
remove PostViewerInteractions
remove PostViewerFeedback
Merge pull request #4590 from diaspora/4432-photo-lightbox-quickfix

Add lightbox html to unauthenticated header

Conflicts:
	Changelog.md
Merge branch 'develop' of github.com:diaspora/diaspora into develop
Merge pull request #4592 from Flaburgan/link-show-more-pictures-mobile

[Ready to review] Fix "more picture" indication (+n) on mobile by adding a link on the indication

Conflicts:
	Changelog.md
Merge pull request #4604 from Flaburgan/refactor-mobile-publisher

Refactor mobile publisher