moved install software step to setup ctf1
simplified install_tcz and get_tcz
generalized install-kmaps.sh to install-tcz.sh
added clean.sh script for convenience. use it carefully though!
simplified the steps in the readme
do not try to remove tcz, kind of pointless
moved $runas to common and made tcz download drop privileges
added ignore patterns
show package names in get_tcz and install_tcz
customized the boot screen and updated the readme