changes

	modified:   src/core/elf.c
	modified:   src/core/user.c
	modified:   src/driver/disk.c
	new file:   src/user/hello.asm

	new file:   src/core/elf.c
	modified:   src/core/include/defs.h
	modified:   src/core/user.c
	modified:   src/driver/disk.c
	modified:   src/libc/klib.h

	modified:   .gitignore

init

See merge request scuccs-cst-sra-group/loos!1