Software OSD is now default regardless of whether glut OSD is available.

git-svn-id: https://yabause.svn.sourceforge.net/svnroot/yabause/trunk@3042 d7be59e3-070e-4b9a-85a1-4646befae34d
Fixed "as is" blending mode.

This fix graphical glitches in Nights.

git-svn-id: https://yabause.svn.sourceforge.net/svnroot/yabause/trunk@3043 d7be59e3-070e-4b9a-85a1-4646befae34d