Soundboard

* Corrected bug that was causing the GUI to hang on a stop cue.
* Corrected bug that caused the cue timer to continue to run after
the cue had been stpped.
* Corrected bug that was causing stop cues to wait for double the
entered pre-wait time.
* Corrected bug that caused status messages to change before the
execution of stop cues was complete.
* Changed pre-wait times to accept decimal values.
* Changed cue sheet export to include cue number.
* Changed cue table to auto-scroll to the next ready-cue as the show
plays.
* Corrected bug that was allowing existing files to be over-written in
the Save As dialogue.
* Corrected bug that was reporting error when cancelling out of Save As
selection.
* Corrected bug that was inhibiting auto-follow cues from creating necessary
threads.
* Corrected bug that caused fade timers to run after fade had stopped.
* Changed behavior of Stop All button so that it no longer over-writes
the status.
* Added class for determining duration on wav files that lack duration header
information.
* Added more intelligent error handling for media files where the duration is
not known and cannot be determined.
* Added error handling code to check for bitrates that are too high for the
Java sound api to handle.
* Added (experimental) FLAC support.
* Added ability to re-number cues and update their targets.
* Corrected error in manual that ecluded the cue menu (thanks, John Bibby!)