This introduces a new per-user preference called
"Auto-play animated GIFs", which is enabled by default. When a
user disables this setting, gifs in toots become click-to-play.
Previews of animated gifs were changed to display the video play
button so that users can distinguish them from regular images.
This setting also affects account avatars in the detailed account
view, which was changed to use the same hover-to-play mechanism
that is used for animated avatars in timelines.
Fixes#1652
* Basic onboarding modal that's shown to users once
* Lay out pages 2 through 5, add images, style modals (#1509)
* Lay out pages 2 through 5
Added images and laid out pages 2 through 5 in the jsx file. SCSS will
come, still working on just seeing if this works at all.
* Fix jsx errors, add images to modal pages, style modal pages
* Add animations to onboarding pager changes, improve wording and styling
* Finishing touches on the onboarding
* Add missing propTypes
* Update wording
to only those from local users; Add link to "extended information" to
getting started in the UI; Add defaults for posting privacy; Change
how publish button looks depending on posting privacy chosen
work flawlessly was a nightmare). WARNING: This commit makes the web UI connect to the streaming API instead
of ActionCable like before. This means that if you are upgrading, you should set that up beforehand.