The new feature for the touch only device

Swan_Wang has pushed in a new feature for the device that only has a touch screen. For these kind of devices, user need to have a way to get into menu, home or going back to the last screen. To do it, user only need to touch the right end of the status bar and then use following touch actions to simulate menu,home and back keys

* Home: Touch the status bar.
* Menu: Touch the statusBar from left to right.
* Back: Touch the statusBar from right to left.

You can touch the right end of the status bar again to disable the feature.

Yi