Add P4 decoder contributed by "Guo, Racing" <racing.guo@intel.com> for
	Intel P4 and Xeon.
Add K8 decoder from 2.4 kernel code to decode Opteron/Athlon64 logs.
	(code mostly from Eric Morton and Andi Kleen)  
Add --ascii function to decode fatal kernel output.
Improve manpage
Fix 32bit bugs
Fix uninitialized variable in check_cpu
Minor cleanups
