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
Show color for values of type:list site settings with word 'colors' in their name
Allow translating "Log In" button in HTML code.
FIX: preview bust when no params
adding hover state to notification menu, and small additional fixes
Merge pull request #2646 from awesomerobot/master

adding hover state to notification menu, and small additional fixes
notification dropdown should not be selectable
clean up some flag page styles and alignment
clarify New User Tips = Guidance
ES6: More controllers converted over
ES6: Mega update of controllers
FIX: Don't capitalize category name in document title
UX: We can link an invited user without a topic to /my/invited
FIX: Don't show profile pages for inactive users and don't show them in
search results.
Purge inactive accounts that are older than 7 days
Have reciever handle multiple To addresses