Disallow the use of any xattrs util enabled by hello
Disallow the use of any xattrs util enabled by hello

Change-Id: I68635295bcf57dc759d2b748b065062b40f8839f
Reviewed-on: http://review.couchbase.org/70944
Tested-by: buildbot <80754af91bfb6d1073585b046fe0a474ce868509@couchbase.com>
Reviewed-by: Dave Rigby <a09264da4832c7ff1d3bf1608a19f4b870f93750@couchbase.com>

daverigby/kv_engine,couchbase/memcached,couchbase/memcached,daverigby/memcached,daverigby/kv_engine,daverigby/memcached,daverigby/memcached,couchbase/memcached,daverigby/kv_engine,daverigby/kv_engine,daverigby/memcached,couchbase/memcached