'sixadmin' and 'sixadmin-extra' core collections ports

You can get a readonly copy via the command:

# git clone https://github.com/Graknu/sixadmin/

If you want to participate, please send me your motivation and your public key.

when accepted, you can get a write copy via the command:

# git clone ssh://git@github.com:Graknu/sixadmin.git