HEAD-584: upgrade json to 1.3.4 (the latest) mainly for issue #17 fix (stdout flushing)
HEAD-584: upgrade json to 1.3.4 (the latest) mainly for issue #17 fix (stdout flushing)

joyent/sdc-headnode,kaizengarden/sdc-headnode,kaizengarden/sdc-headnode,joyent/sdc-headnode,kaizengarden/sdc-headnode,joyent/sdc-headnode,numericillustration/sdc-headnode,joyent/sdc-headnode,numericillustration/sdc-headnode,kaizengarden/sdc-headnode,numericillustration/sdc-headnode