REVERT commits for raw handlebars rendering. We need to create a
separate branch and discuss issues of this approach.
FIX: Workaround for modal CSS bugs in IOS 8. Don't use a table to
vertically centre, use a margin offset.
Max out summary filter at 100 posts.
Use a site setting for maximum summary results
FIX: letter avatars were not getting stripped from short emails
Merge pull request #2929 from techAPJ/patch-2

FIX: letter avatars were not getting stripped from short emails
Merge pull request #2928 from awesomerobot/master

fixing the broken groups page
optimize detecting avatar image logic
Merge pull request #2930 from techAPJ/patch-2

optimize detecting avatar image logic
FIX: prevent iframe in expended quote
update wrench button info
UX: make the blue notification float over the column headers on desktop
UX: show the hide revision button on mobile
Merge pull request #2926 from mcwumbly/hide-revision-button

UX: show the hide revision button on mobile
FIX: cannot show email for pending/inactive users
comment to explain a bug
Revert "REVERT commits for raw handlebars rendering. We need to create a"

This reverts commit a4363e033d70bdd08f173c2cd8a44a8b520088c4.
PERF: use raw rendering for topic list

rename my handlebars helper to "raw",
create ember compat handlebars to handle rendering
patch ember rails to use the correct precompiler
one more spot where code can be reused
PERF: move excerpt to raw, expose i18n to handlebars