Add "setTestsTableController" method to JsystemTab interface.
This method will be used in the TestTreeView when adding the new tab so the new tab class will have reference to the TestsTableController
Merge pull request #201 from odedshvartz/master

Add "setTestsTableController" method to JsystemTab interface.
Small refactoring - Using the interface directly instead of using reflection - issue #201
Merge branch 'master' into issue#202
Added support for images