fixes #4767 no indication of current item in combobox drop down.  fixed by adding .dijit_a11y .dijitMenuItemHover to draw dotted border.
fixes #4767 no indication of current item in combobox drop down.  fixed by adding .dijit_a11y .dijitMenuItemHover to draw dotted border.

git-svn-id: 674a2d6b1e32e53f607eb824547723f32280967e@10936 560b804f-0ae3-0310-86f3-f6aa0a117693

harbalk/delite,kitsonk/delite,harbalk/delite,Sam-Cummins/delite,kitsonk/delite,Sam-Cummins/delite