refs #4518 added waiRole=separator to the splitter div for a11y.  Waiting to hear back from screen reader developer if there is a better role to use before closing.
refs #4518 added waiRole=separator to the splitter div for a11y.  Waiting to hear back from screen reader developer if there is a better role to use before closing.

git-svn-id: 674a2d6b1e32e53f607eb824547723f32280967e@12284 560b804f-0ae3-0310-86f3-f6aa0a117693

redaktor/deliteful