Bugfix: align playback rectangle to actual image
Put the patterneditor into a container so we can add a scroll bar, and extra debugging for serial connections
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Bugfix: QT 5.2.1 on OS X 10.9.3 can't set some extended settings for CDC ACM devices, so only set the port name and baud rate.
Bugfix: Improve serial program routine for OS X + new QT (only works once, still buggy)
Performance improvment: Only repaint animation editor if the mouse position actually changed