included global_defs.h into course_os.img
updating dev with master
update with master
moved libc to klibc as recommended
forgot to move header to klib as well
Merge branch 'master' into klibc
print f works, call using os_printf

now everyone can start debugging
renamed libc.h to klibc.h and updated klibc.c include
merged printf function from klibc
updated klibc.h
Merge branch 'libc' of github.com:rellermeyer/course_os into klibc

Conflicts:
	kernel/Makefile
Merge branch 'libc' of github.com:rellermeyer/course_os into libc

Conflicts:
	kernel/Makefile
	kernel/include/klibc.h
copied in good Makefile
temporarily removed Makefiel so I can update branch
readded Makefile
fixup
merged mmap.h file to consolidate PIC addresses (and some useful macros)
pulled updated master files
added boot-commands to branch
Merge branch 'klibc' of github.com:rellermeyer/course_os into klibc