Add emoji ru localization
Merge branch 'tests-passed' of git://github.com/discourse/discourse into emoji_ru_localization
FEATURE: send set password instructions after invite redemption
*Don't* silence the deprecation warnings in test

This is actually where we are most likely to see it (and we should try to deal
with those as soon as possible, ideally when upgrading).
FIX: honor `email_token_grace_period_hours` setting correctly

The documentation said that the unit for this setting is in *hours*, but the
code is treating it as *seconds*. Also, `Numeric#ago` has been deprecated since
Rails 4.1 (precisely to help prevent these kind of bugs) and will go away in
Rails 4.2.
get rid of bad editor media queries in mobile.scss
edit preview got unhidden on mobile, hide it again
remove unnecessary spinner styles for mobile
FIX: mobile, multi-line first post actions blocked topic map
improve 'try again' mobile network error page
remove old IE support crap from WMD Editor

we barely support IE9 this does not matter at all
Revert "remove old IE support crap from WMD Editor"

This reverts commit 7bbf7d02e3e29039e495c2cb6ede42dd953144c8.
remove old IE support from WMD, part I: uaSniffed
oh JavaScript, you so crazy
Remove old IE support froM WMD, part II

native methods that IE8 didn't support but IE9 does
Remove old IE support from WMD, part III
slight mobile improvement for editing topic title
top/bottom pad title in topic lists: easier click
move "easier to tap" topic list paddings to base
remove right padding from topic list titles