we don't care about those directory, they are created by create-pki
common-ca is dead, we now have 4 ca.
new samples for two distinct CA
We now have 4 distinct CA, and a Root signing/managing them

After some strugles, it seems to be the best way to get what we need.
There are more information on Github:
https://github.com/xtreemfs/xtreemfs/issues/349#issuecomment-65408404

The create-cert script will create the four certificates signed by the
four CA. Puppet will then take the right one in order to push it to the
pkcs12 file.
corrected script
re-use private key for the whole bunch of signed certificates
updated submodule
updated submodule