* Unminify rickshaw graph CSS so we can maintain it
* Initial BiDi support for the Web UI
BiDi means the web app can serve both LTR and RTL languages at the same time.
1. Bootstrap-RTL overrides Bootstrap 3.3 styles for RTL clients
2. Application CSS was preprocessed thru rtlcss and then hand-trimmed to contain only RTL-specific directives.
3. Dashboard was tweaked to hardcode LTR for footer and polling gadget
* Vendor bootstrap-rtl.css
* Various RTL style fixes, need to flip all pull-* elements
* Upgrade Rickshaw to latest, remove dupe CSS
* Add Arabic language (credit to Milena Novakova)
Add Hebrew placeholder
Added dir attribute to html tag
* changes
* Clean up HTTP header generation, add Content-Language response header
* Use correct locale for hebrew
* Rework job processing in light of Rails 5's Reloader, see #3221
* Ignore built gems
* Documentation, testing
* Add fallback for 'retry' value server-side, fixes#3234
* Fix job hash reporting in stats
* cleanup
* Add job for AJ testing
* Push jobs with invalid JSON immediately to Dead set, fixes#3296
* Break retry logic into global and local parts, fixes#3306
* fix heisentest
