ColumnSet lacks ARIA roles, breaks JAWS#616

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revin wants to merge 2 commits intodojo:masterfrom revin:columnset-aria

+3-3

Commits on Jun 5, 2013

Add ARIA role=presentation to ColumnSet-related DOM
revin
committed

Commits on Jun 11, 2013

Fix typo'd attribute 'row' to 'role'
revin
committed