silo Update to 0.8.4, fix a compilation problem with latest 2.1 headers, don't require romfs.h for those compiling on 2.0 kernels.
Added fd.b boot block. Added silo.8 man page. Except for glibc/bootfile patches and compiling with -DNO_ROMFS, silo-0.8.5-1 should be identical to UltraPenguin 1.1.9.