fixed building without libconflate & libstrophe by providing libmemcached version info
fixed building without libconflate & libstrophe by providing libmemcached version info

membase/moxi,membase/moxi,zbase/moxi,couchbase/moxi,steveyen/moxi,membase/moxi,couchbase/moxi,zbase/moxi,zbase/moxi,steveyen/moxi,steveyen/moxi,couchbase/moxi,couchbase/moxi,membase/moxi,couchbase/moxi,zbase/moxi,couchbase/moxi,zbase/moxi,membase/moxi,steveyen/moxi,steveyen/moxi,membase/moxi