update readme to reference new phrasecount example
update readme to reference new phrasecount example

ctubbsii/fluo,keith-turner/fluo,fluo-io/fluo,fluo-io/fluo,mikewalch/incubator-fluo,mikewalch/fluo,ctubbsii/fluo,mikewalch/fluo,keith-turner/fluo,mikewalch/incubator-fluo