Adding README for building and TODO list

- fixing firewall ports for cobbler check
- purge firewall rules at start, puppet rules are the truth value
- additional modules for debugging network issues in foundation
- Only NAT interface made available on foundation for PXE

Signed-off-by: Prasanna Santhanam <tsp@apache.org>
legacy configs replicated from current master

Signed-off-by: Prasanna Santhanam <tsp@apache.org>
ignore iso and archives

Signed-off-by: Prasanna Santhanam <tsp@apache.org>