Updates the classes naming convension fro TGfx to Tfpg
Updates the classes naming convension fro TGfx to Tfpg

How the hell has this been around for so long and went undetected. :-/

wkitty42/fpGUI,wkitty42/fpGUI,wkitty42/fpGUI,wkitty42/fpGUI,wkitty42/fpGUI,wkitty42/fpGUI