HUE-1806 [beeswax] One query page editor UX cleanup

Fixed TableExtender plugin
Updated FontAwesome
Fixed js errors
Added fullscreen visualization of results
HUE-1808 [dbquery] Pull out rdbms config to librdbms app

- Move config to librdbms section.
- Move server selection to librdbms app.
HUE-1810 [sqoop] autocomplete tables and fields
HUE-1809 [sqoop] autocomplete jdbc class and string
HUE-1813 [sqoop] autocomplete output directory
Merge remote-tracking branch 'upstream/master' into testing-abe