made get_tcz and install_tcz take care of dependencies too
do not install php and perl
updated the setup level 2 plan
setuid only if the program exists
custom handling for level05: rename source to level05.py
replaced level02 challenge with python+flask implementation
tightened home dir permissions
embed contest code instead of getting from github
run tce installer if any
bugfix: extra handling no longer needed
added ignore patterns
level02 works
moved the port num constant in level02 near the top
cosmetic: adjusted the flag
made level05.py executable
level05 works
enabled tty2 and 3
fixed a typo in level05 motd
confirmed level04
renamed ctf1/orig/code to ctf1/code/levels