added some initial support for kernel parameter
removed garbage from Master branch
Merge branch 'master' of github.com:rellermeyer/course_os
more garbage rmeoved from master
added libc header and source to master
Merge branch 'master' of https://github.com/rellermeyer/course_os
header comment corrections
Merge branch 'master' of github.com:rellermeyer/course_os into libc

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