HUE-1841 [core] Add support for OpenId authentication
HUE-1837 [oozie] SLA dashboard it is not pretty

Restyled the SLA dashboard
Added charting capabilities
HUE-1861 [oozie] Forks can't be created anymore in a workflow

CSS class misplaced
Fixed new action drag cursor
HUE-1862 [impala] Impala only permission requires Beeswax

Same for Beeswax, Rdbms, Spark...