Tweaked the video panel to improve the playback frame rate.
Fixed problem reading the very last frame of a video.
Reorganized methods based on new menu bar.
Enabled the “Show Frame Count” item in the video menu.
There are now separate sliders for the videos and timelines.  The video slider controls the current time while the timeline slider controls the window of time being displayed in the timelines.
Improved the new video slider.
Improved the look of the timeline indicator panel.
Added window menu with item to show/hide the toolbar.
Forwards, backwards and variable speed playback now works.
Replaced playback toolbar icons with Java buttons for better look and feel and to show the playback rate in the pause button.
Documented the UFMFFile class.