bitbake: command: provide a means to shut down from the client in memres mode

In memory resident mode we don't really want to actually shut down since
it's only the client going away.

(Bitbake rev: 74db369c46043116359101cab70486afd82372c0)

Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/lib/bb/cookerdata.py

@@ -146,6 +146,7 @@ class CookerConfiguration(object):
         self.tracking = False
         self.interface = []
         self.writeeventlog = False
+        self.server_only = False
 
         self.env = {}