Better 'special' key handling for OpenGL base app. Escape key now quits OpenGL base app.
Better 'special' key handling for OpenGL base app.
Escape key now quits OpenGL base app.

cbeck88/cegui-mirror-two,cbeck88/cegui-mirror-two,cbeck88/cegui-mirror-two,cbeck88/cegui-mirror-two,cbeck88/cegui-mirror-two