Added missing perler colors and excluded non-calibrated LightGreen.
Started Creating the statusbar and resized genertate bead pattern button
Added some trivial Messaging options in the pattern generation.
Made the image processing take place in another thread.
Added support for the statusbar.
Disabled the beading button while beading to avoid multiple and
unecesary threads from running and create memory problems.
Corrected Error Message of missing pallete file.
Updated readme file.
Change filename from COPYING to LICENSE