support for EC2 IAM roles with Amazon S3 file store/backup
refactor multiple instances of S3 key check logic to single variable
Add RTL support to Discourse CSS pre-processing using the RTLit gem and configurable via discourse.conf
ensure rtlit gem in Gemfile is not required by default
ensure RTLit gem is included and CSS is RTLed if css_rtl is enabled in discourse config
Allow translating "Log In" button in HTML code.
Have reciever handle multiple To addresses
Use same reply-to format in all email fixtures
Add error reply for new error
Fix: block parser now uses regexes for end tags. solves code block case, where end tag must be on a line of its own.
Merge pull request #2654 from awesomerobot/master

swapping around heatmap/coldmap low/high
FIX: Edit category should use the id always in case two categories have
the same slug.
Add support for `max_posts` query param. Also make it easier to let
Ember support query params for sorting our tables. Just add it in one
place.
Add login buttons to create account template.
FIX: If local logins are disabled, sign up button should not show the
form.
FIX: handle importing usernames that are too short, too long, or have invalid characters
Avoid using to_s when performing String Interpolation
FIX: Metamorph error due to malformed HTML
FIX: confusing UI when clicking Delete All Posts button
FIX: PostDestroyer needs to update user stats. Delete All Posts button was broken, making it impossible to delete users.