HUE-1647 [oozie] Copy button response

Added new loading overlay
HUE-1649 [beeswax] Autocomplete error

Fixed case for WHERE on new lines and added keywords for the end of queries
HUE-1651 [doc] New user should have default tag selected

Added 'default' tag display if it's the first visit
Fixed a bug on toggling and saving on totalStorage for history and trash
HUE-1612 [jobbrowser] Browser needs minutes to render the page if you want to see many jobs (> 4000)

Dramatic performance improvements