misc

Signed-off-by: Mattias Andrée <maandree@operamail.com>
misc

Signed-off-by: Mattias Andrée <maandree@operamail.com>
mds-registry: notify client

Signed-off-by: Mattias Andrée <maandree@operamail.com>
mds-registry: marshal and unmarshal the slave list

Signed-off-by: Mattias Andrée <maandree@operamail.com>
mds-registry use timedwait in slaves so we can stop when reexecing of terminating

Signed-off-by: Mattias Andrée <maandree@operamail.com>
mds-registry: add time-to-live

Signed-off-by: Mattias Andrée <maandree@operamail.com>