created a test package for the overviewpanels
added tests for overviewTable overviewTreePanel and OverviewPanel Randy. A , Shawn. Y
missing files are added. Contributors : Randy. A , Shawn Y
One of the empty test file is removed. Contributors : Randy. A, Shawn Y
Merge pull request #234 from TheTeam8s/OverviewDetailPanel-Test

Overview detail panel tests are now included in the package