Add newline at the end of simple.conf

Change-Id: Ib6f89948f9a741ff1eb3e92a8b91151b61d071c6
Reviewed-on: http://review.couchbase.org/40568
Reviewed-by: Volker Mische <volker.mische@gmail.com>
Tested-by: buildbot <build@couchbase.com>