add the couple new programs
-frename-registers breaks compiling with g++ 2.95.3
Speed things up by about 20%, as long as you're already compiling with -O2.
Added the man page for y4mdenoise.
Fix a gcc3'ism that caused compilation with gcc 2.95.3 to fail
Minor updates.
use OS_ARCH instead of os_type when testing for a Linux system
Added cpuinfo.sh to the list of files to add to the distribution.
Add the standard list of files to ignore.
Add image stabilizer program to mjpegtools.