added some FIXMEs to thread.c
Moved these files, deletes didn't commit last time
moved old tests to usrsrc/tests/old
Removing old and unused version of RME
Started adding functions from stdblib.h
Removed extraneous ':' comment in init/loader.s
Removed init/util.c, code moved to boot/multiboot.c
Disjointed commit

Took a break for awhile and unfortunately forgot to commit, so I'm not totally
sure what changes are what.