hopefully this should revert
Revert "filesystem now works equally well as filesystem2 for all progs except prog3, added debugging flags to makefile, all other changes should be minor"

This reverts commit dbaa0a908823f4e19059bd37760826176eb6edef.

Conflicts:
	source.cpu/scheduler.c
Revert "filesystem now works equally well as filesystem2 for all progs except prog3, added debugging flags to makefile, all other changes should be minor"

This reverts commit dbaa0a908823f4e19059bd37760826176eb6edef.
made it possible to switch choose prog to run from command line (not our shell, but host shell)
I think I am commiting in circles now