bitkeeper revision 1.1426.1.1 (4289cc8cPUM98bLJs4TV93NHY9LOKg)

bitkeeper revision 1.1426.1.1 (4289cc8cPUM98bLJs4TV93NHY9LOKg)

Many files:
  Make interface to network/block scripts consistent:
  - output on stdout is returned to the script caller
  - output on stderr is logged at the error level, messages with a '-' prefix
    are logged at the debug level and messages with a '*' prefix are logged
    at the info level.
Signed-off-by: Christian Limpach <Christian.Limpach@cl.cam.ac.uk>