using conn's wbuf instead of item_alloc
using conn's wbuf instead of item_alloc

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