Add example translations from svn to po dir

As discussed in person these are translation files from svn.opensuse.org.

There are also other translations I am not sure where i should put these or if they are still valid for you guys:
webyast-activedirectory.cs.po
webyast-base.cs.po
webyast-example.cs.po
webyast-firewall.cs.po
webyast-kerberos.cs.po
webyast-ldap.cs.po
webyast-licenses.cs.po
webyast-mail.cs.po
webyast-network.cs.po
webyast-ntp.cs.po
webyast-reboot.cs.po
webyast-registration.cs.po
webyast-roles.cs.po
webyast-root-user.cs.po
webyast-services.cs.po
webyast-software.cs.po
webyast-status.cs.po
webyast-terminal.cs.po
webyast-time.cs.po
webyast-users.cs.po

So if you have any idea we could update this pull request with all of these so we can be done with it :-)