initial test version of CTDB clustered Samba available

[tridge at samba.org]

Volker,

 > All trying to test this (Dimitry?) should bzr merge from
 > http://www.samba.sernet.de/vl/bzr/3_0-ctdb/, I've put in
 > some fixes and in particular a better way of handling the
 > smbd bug tridge found regarding the async message handling.

I've merged your tree with mine, so both trees should now be
equivalent.

Thanks for the async messaging work!

Cheers, Tridge