Added ancestor public method
Bug fix
Added uivideoviewer class

uipanelex-base class, wraps axes, plays a video file using internal
VideoReader & timer objects
Added uizoomctrl

An example uipanelex based class. Creates a panel with 4 buttons,
controlling zoom and pan objects of a figure
Added uifilecontrol

An hgauxctrl based class with a edit/popupmenu with a trailing
pushbutton.