Give the ComboBox and FilteringSelect widgets the ARIA role of "combobox". Refs #2940, refs #3460.
Give the ComboBox and FilteringSelect widgets the ARIA role of "combobox". Refs #2940, refs #3460.

git-svn-id: 674a2d6b1e32e53f607eb824547723f32280967e@9339 560b804f-0ae3-0310-86f3-f6aa0a117693

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