kvm-kmod-3.0-rc4

The KVM patch queue for Linux 3.0 is flushed, so it's time to release a preview of the corresponding kvm-kmod support:

http://sourceforge.net/projects/kvm/files/kvm-kmod/3.0-rc4/kvm-kmod-3.0-rc4.tar.bz2/download

Major KVM changes since kvm-kmod-2.6.39:
- improved emulator correctness (segment checks, nested SVM intercepts)
- 16-byte MMIO
- Via CPU feature support
- virtual TSC rate for newer AMD processors
- performance improvements

kvm-kmod changes:
- renamed submodule ('linux-2.6' was no longer appropriate)