MB-9998: Update 3.0 build manifests to point to Erlang R16B03-1

Change-Id: I55a9ee079106a3bdfb6d61d3b50fd7e499655d7a
Reviewed-on: http://review.couchbase.org/36130
Reviewed-by: Sriram Melkote <siri@couchbase.com>
Tested-by: Sriram Melkote <siri@couchbase.com>