Add example of using ButtonGroup with orientation
Merge branch 'master' into 2.0.x
AUI-986 Fix toolbar to take A.ToggleButton as a child
AUI-986 Update demo
Merge branch 'master' into 2.0.x
AUI-988 Toolbar should render the children when Toolbar itself is rendered
AUI-988 Update demo
Merge branch 'master' into 2.0.x