Fix topbar /usage/ link
Update "about"
Update the playtest faction summaries
Rename the expansion faction info page, since it is no longer a playtest issue
Add per-faction anchors to info page
Add some padding at the bottom of faction info page

So that the faction linked to always appears right at the top of screen.
Use sidebar layout for usage page
Try to get people not to report certain non-bugs as bugs again.
Enable Fire & Ice factions for everyone
Distinct rendering for real special actions, and the pseudo non-blocking ones
Changelog entry for new factions
Rework the sidebar a bit.

- Reorganize data
- Add headers
- Add the frequently requested link to your own profile