Changed title "Orientation & Zooming" to "Orientation and Zooming".
Added code to show (Empty Notification) on Notification panel when there is no notification.
Added tooltip to save/load button in Configuration window.
Changed to use option button instead of dropdown menu for power rules on Power Manager Panel.
Modified the title of Panel Settings from "Panel Settings" to "Visible Panel"
Merge remote-tracking branch 'upstream/next' into next
Merge pull request #147 from jacobchen/next

Changed title "Orientation & Zooming" to "Orientation and Zooming". …