* updates driver to new/final v4l2 API in kernel 2.5 (2.4 patches for 2.4.20-rc1 available from http://buytesex.org/patches/)
* change best quality compression ratio back to 1:4, since Buz can't handle 1:2
* include linux/version.h everywhere (redhat's standard kernel borks if this isn't the case)