Add first half of server-side version handshake
Add first half of server-side version handshake

Change-Id: I3e80ff95268c4e4560310eca0f4457f243896dd9
Reviewed-on: http://review.engineyard.com/96
Reviewed-by: Andy Delcambre <dceae9ae498de7d794de551710d5e4d9b952cadb@engineyard.com>
Tested-by: Andy Delcambre <dceae9ae498de7d794de551710d5e4d9b952cadb@engineyard.com>

cowboyd/engineyard,radamanthus/engineyard,radamanthus/engineyard,engineyard/engineyard,engineyard/engineyard