initial test version of CTDB clustered Samba available

[tridge at samba.org]

Volker,

 > Tested with 4 virtual nodes and 32 raw-bench-open clients on
 > my dual-core laptop and I got lockups. I had to apply the
 > attached patch to make it pass.
 > 
 > The patch might also be interesting for Samba4.

Thanks! I guess we didn't notice this in Samba4 as we usually test on
Linux with epoll. I've merged the lib/events code between ctdb and
Samba4 now.

Cheers, Tridge