TEST: break build to ensure docker process does not update to this file
Revert "TEST: break build to ensure docker process does not update to this file"

This reverts commit 9e75b930e4d01bc145c4f8aab1e0e1686352c84a.
marked? wtf, we mean "flagged"
put the actual GitHub URL in the meta="generator"
FIX: blockquote inside aside had top-margin
FIX: minor mobile style glitches
tweak topic star on mobile
FIX: titles were misaligned on mobile
further mobile star tweaks. SUPERSTAR!
hide inline topic title/category editing on mobile
FIX: broken notification icon alignment on mobile
we were burying the lede on Tracking, update copy
Work in progress backfill for like badges
PERF: fix slow query
Update DEVELOPER-ADVANCED.md with Sidekiq info

I was confused as to why activation emails weren't showing up in Mailcatcher, and finally took a look at the non-advanced developer guide to find the mention of Sidekiq. I thought it would be appropriate to mention it here as well.
Add imagemagick to basic setup apt-get install.

Imagemagick is mentioned in the "first steps" section, but it's not actually listed anywhere in an `apt-get install` statements, which makes it easy to forget about, so I added it to the last such statement at the end of the basic setup section.
Merge pull request #2488 from toolness/patch-3

Add imagemagick to basic setup apt-get install.
Merge pull request #2487 from toolness/patch-2

Update DEVELOPER-ADVANCED.md with Sidekiq info
ES6: All list views
FEATURE: Add new site setting to restrict how many times you can click on an
invite to "passthrough" as logged in, with a default of 0 hours. Also changes
default invite expiry from 7 days to 1.