Merge pull request #2317 from awesomerobot/master

few small consistency changes
Update highlight.js to support Go
Update the Amazon links regexp

Added all the countries displayed in the Amazon footer
Fix the Amazon links regex
Only show a few topic links in the gutter and allow the user to expand
them.
FIX: Adds safety to painting on quote controls for elements that might
not be present. This should fix an issue with not scrolling down after
new posts are created sometimes.
FIX red hightlighted rows in admin
Don't allow sending private messages to suspended users. Emails to suspended users should tell them how to respond, since they can't.
FIX: Linking to relative hash URLs was reloading the app.
Merge pull request #2318 from camilleroux/patch-3

Update the Amazon links regexp
FIX: blockquote colors on mobile
minor copyedit
FIX: @mentions should not be processed within links
don't color mobile topic map numbers
Remove uneeded hack
Remove sidekiq-failures, use logster instead
logster integration (in production as well)
mini profiler too chatty
some color fixes, general consistency