OPAL-2234: Fixed onMouseHover on variables pager problem. Using uiHandler instead of a Command to execute code from presenter in view
Merge pull request #425 from emorency/OPAL-2234-pager-refresh-onMouseHover

OPAL-2234: Fixed onMouseHover on variables pager problem. Using uiHandler instead of a Command to execute code from presenter in view
Fix layout of variable summaries
OPAL-2235: Check if variable is not null
Merge pull request #426 from emorency/OPAL-2234-pager-refresh-onMouseHover

OPAL-2235: Check if variable is not null