FIX: Deprecation warnings on Rails with some topic queries
REFACTOR: Use the `ScrollTop` mixin instead of custom scrolling code.
BUGFIX: Do not scroll to top / show spinner when leaving a topic.
Add envelope glyph to private message topic titles
BUGFIX: fallback to en translation when interpolation is missing
CLEANUP: remove unused pseudo locale
Fixes a few typos in the German translation
FEATURE: warn the user when there is not enough space on disk to upload a backup
Don't show description text on Create Category modal
FIX: on mobile, don't scroll background when showing a modal. iOS goes bananas. Thanks shobhit007
Removes the 'Loading seed data' heading from the OSX Native Guide

As far as I understand the pg_dumps are no longer needed.
commit: "remove pg_dumps, no longer needed" 25fc0b9
Merge pull request #2014 from wpp/remove_pg_dump_from_osx_guide

Removes the 'Loading seed data' heading from the OSX Native Guide
FIX: Showing Unread(1) when you weren't tracking the topic. Also
includes performance fix when having MANY new or unread topics.
BUGFIX: you should not be able to edit the category on a PM
small design tweaks
Merge pull request #2015 from awesomerobot/master

small design tweaks
removing background gap on topic closures
Merge pull request #2016 from awesomerobot/master

removing background gap on topic closures
FIX: when shown 403 error page and logging in, it will take you to the same page
Also put the envelope glyph beside topic title edit form for private messages