Make connect order deterministic

The current patch allows the user to toggle between deterministic
and random connect order for the bootstrap list.

Change-Id: Ie9476d5fd08be95e6a621c8e3d8ebfc4caa64853
Reviewed-on: http://review.couchbase.org/28689
Reviewed-by: Sergey Avseyev <sergey.avseyev@gmail.com>
Tested-by: Trond Norbye <trond.norbye@gmail.com>