Update berlin

added berlin2
cleanup networks
hamburg: add hamburg02

we would be very happy if a lot of you also peer with this machine
Update chemnitz

inserted second net
Merge pull request #36 from ohrensessel/add-hh02

hamburg: add hamburg02
Merge pull request #37 from ambassador86/patch-1

Update chemnitz
renamed oldenburg to nordwest, nordwest updated
Merge pull request #39 from FreifunkOldenburg/master

renamed oldenburg to nordwest, nordwest updated
Delete grossdraxdorf

Netz seit vielen Monaten nicht mehr vorhanden
changed kbu mailaddress
Merge pull request #40 from kerel-fs/master

changed kbu mailaddress
mention icvpn-scripts in readme