Upgrade zgv to 5.7 and remove the obsolete patches.
Add some (svgalib-1.9.x or simply missing?) modes.
Change mouse calculations a bit to avoid int trunc.
git-svn-id: http://www.rocklinux.org/svn/rock-linux/trunk@1053 c5f82cb5-29bc-0310-9cd0-bff59a50e3bc