mark gateway keys that need a regeneration

this is due to the fact that the gateways in question do not exists anymore and it can not be assured that absolutely no external person had access to the fastd privat key
after regeneration these gateway names can be used again, but should not before a majority of nodes is running gluon with the new keys.
adapt ntp server entries
introduce beta and stable branches for autoupdater
README fix
Autoupdater key baldo added
finalize stable config
switch to branch stable
new experimental version after v2014.1