support directional light,
zoom speed can be adjust via +/-

bugs:
- background cannot be changed during runtime

set min size to mainwindow

write file information on the screen,
bug fixes

problems with call by value/reference

fileinfo works now

write directly mirrored to the image,

need to write direct into image for performance

add severity to messages (black, yellow, red),
add about text,
removed unused texture from resource

Features:
-changed library,
-new interaction,
-new software icon,
-rotation bug fixed,
-cloth bug fixed,
Bugs:
-rle compressed tga not working.
-old assets are not displayed correctly,

signal-slot for openFile,
resetView on openFile,
cleanup when open a new file,
triangulate quad poly now correctly, more not working, bug from previous version,
next:
fix 5,6,.. triangulation,
triClothMan, IC Helmet, still buggy,

drop does not work for widget,
fixed offset problem,
add esc key

window cosmetic,
next:
texture,
calculate modelmatrix from parent