Jira ticket #MB-8240.  Attempt fix by recursively processing binaries in the bin directory to fix up their .dylibs (from the looks of it, the bug is caused by the bin/tools directory being skipped)

Change-Id: Ia95ced0ad2087439553d2ebc2e1a45582af54a29
Reviewed-on: http://review.couchbase.org/26366
Reviewed-by: Philip Labee <philip@couchbase.com>
Tested-by: Philip Labee <philip@couchbase.com>