Fixed bug 43001487 where a null pointer excpeption was thrown in DefectChangesetPanel when an assignee was removed.
Added ability to view changes in defect status. A status column was also added to the table of defects on the search tab.
Merge branch 'dev-exemplar-hotfix-bug43001487' into dev-exemplar-status-changes
Attempt to fix smear issue when scrolling DefectPanel.
Merge branch 'dev-exemplar-fix-smear' into dev-exemplar