JakeWharton/ActionBarSherlock — pull request #800 by matthewmichihara (2013-01-22 06:00:12+00:00)
Title: Fixes homeAsUp not enabling the home action item. Closes #746.

When setting homeAsUp in the theme's display options on pre-16 devices,
the home action item was not being enabled. Fix this by reading the
attribute and manually calling the setHomeButtonEnabled API.