fixed a typo in level05 motd
confirmed level04
renamed ctf1/orig/code to ctf1/code/levels
updated todo in readme
adjusted the texts
clean up unnecessary python installation zip
added ruby (hacking tool)
added a todo
added md5 and password list
added build info on boot screen
moved all work directories and files inside ./work/
build the level codes inside work/, not inside ctf1
cleanup work/ctf1 and a bugfix
level06 does not need the busybox hack
tcz dir should be created as user not root
renamed $runas to $as_user as it was a misnomer