Merge pull request #500 from emorency/master

OPAL-2391: Fixed condition to add attribute to the new list of attribute...
OPAL-2373 - Changed the breadcrumb look of the bookmarks to simple links. Added bookmark type ti the view.
OPAL-2390 - Remove HOME tab and the summary REST request
Merge pull request #501 from kazoompa/bug-OPAL-2373

OPAL-2373
Merge pull request #502 from kazoompa/bug-OPAL-2390

OPAL-2390 - Remove HOME tab and the summary REST request
Update post install page.
Organizations link removed from file explorer
Clean code
OPAL-2395 flush streams before returning response.
OPAL-2394 import-ids and import-ids-map commands added.
Showing N/A in contingency table
OPAL-2388: Removed the call to onCrossVariable when a variable is selected for contingency table
OPAL-2387: Added a clear button that clears selected variables and contingency table
OPAL-2378: Formatting error message when variable does not exists and code improvements