Introduce support for other tuneable GC vars
Add German translations for Emoji plugin
making some adjustments to how posts are laid out so they don't break at small widths
Ensure tmp/pids exist when using unicorn
Merge pull request #3019 from awesomerobot/master

making some adjustments to posts so they don't break at narrow widths
FEATURE: search private messages option
FIX: only show "new pm" in pm tab when looking at your own profile
Merge pull request #3020 from bear-metal/master

Minor additions to script/bench.rb
Merge pull request #3018 from gschlager/i18n_fix08

Add German translations for Emoji plugin
Put Ember 1.8.1 + fixes back.
FIX: Couldn't click delete topic button due to missing action
FIX: auto response email replies should not be accepted
FIX: If a category can't be found, don't include it in the list
FIX: Selecting default option without changing HTML markup.

I also filed a bug on Ember.js with details on the error.
FIX: Errors due to `_elementCreated` called on `null`
Remove unncessary `null` check now that the fix is done properly
update search help with in:private
FIX: permalink redirect support for url's with extensions in them, like .html and .php
fixing loading spinner alignment and striping
FIX: Disable loading below HTML, we have our own spinner for that and it
broke scrolling on some custom CSS.