intel_mapbufferrange bug workaround


git-svn-id: svn://svn.tuxfamily.org/svnroot/tesseract/main@1658 b412e182-2ed4-4078-95c4-27dc59f57fa9
install script fixes


git-svn-id: svn://svn.tuxfamily.org/svnroot/tesseract/main@1659 b412e182-2ed4-4078-95c4-27dc59f57fa9
check if it's a teammode before showing teammate crosshair


git-svn-id: svn://svn.tuxfamily.org/svnroot/tesseract/main@1660 b412e182-2ed4-4078-95c4-27dc59f57fa9