* Switch to Ubuntu Toolkit 1.3 * UI updated * Improved support for zoom on desktop * Updated framework to 14.04.1 * Moved components in the 'upstreamComponents' folder into 'common' * Use the new BottomEdgeHint component in order to provide mouse/keyb controls for the bottom edge. * Changed Header behaviour to default in the PDF viewer * Use an horizontal PartsView for switching slides in portrait, small-width mode, instead of using the SlideControllerPanel component + BottomEdge. * Removed some obsolete code. Fixes: https://bugs.launchpad.net/bugs/1453403, https://bugs.launchpad.net/bugs/1508363, https://bugs.launchpad.net/bugs/1513843.