140313 #2

Added export/ folder.
Removed export of original and all saccades.
Added export (initial and final.xlsx) to specified folder.  Renaming/overwriting handled.
Added option to name save file.  Still handles renaming/overwriting.
Added "open" export directory
Removed as many ILAB accessor functions.  Will use back-up variables
Fixed bug that caused JFrame buttons to be clicked multiple times.
Adjusted ReadMe for Excel compatibility.