v1.26.4

-- Fix bug when starting StimEditGUI. DataTreeClass constructor changed and was not compatible with the way it was being called from StimEditGUI to create dataTree copy locDataTree.
-- Same as in AtlasViewer fix GUI repositioning for MAC
-- Fix problem in MainGUI where you can't see full text of Excluded Data checkboxes.
-- Duplicate figure in plot probe not fully copying text label object from original GUI.