only publish distributed cache to user_id -1
Revert "PERF: use distributed cache for site text and category slugs"

This reverts commit a97f2eee054bbd5a252e7cc28ea11210b2a8a82d.
Revert "Revert "PERF: use distributed cache for site text and category slugs""

This reverts commit 65e7cd1d1d62a911da716eac37d9e687075f5b02.
tag should be html safe
correct broken spec
don't send html safe strings into the cache
update rails master
update flamegraph for superior flamegraphs

(add github links and easier ability to share issues)
normalize footer div on all emails
try some flag dialog copy changes
add privacy reminder to flag dialog
copyedits on upload; fix single quote
minor flag dialog tweaks
missed the "other" flag for topics
I suck at quotes, apparently
better CSS for the notify flag msg char count
minor copyedit on hidden posts
remove unnecessary <footer> tags
FIX: users can see the raw email source of their own posts
FEATURE: Added Pin/Unpin Keyboard Shortcut