Merge pull request #146 from kazoompa/bug-OPAL-1721

OPAL-1721
Search variables widget improvements
Fixing merge of closeablelist
Fixing merge of SuggestListBox
Merge pull request #147 from emorency/feature/opal-search-variables

Widget improvements for search variables.
OPAL-1721 - return en 503 error from server and made sure TableView gets refreshed upon index service state changes