fix FlowAs matcher messages
fix FlowAs matcher messages

mikfreedman/spiff,rsliang/spiff,mandelsoft/spiff,actionjack/spiff,geofffranks/spiff,mikfreedman/spiff,rsliang/spiff,actionjack/spiff,cloudfoundry-incubator/spiff,mandelsoft/spiff,geofffranks/spiff,cloudfoundry-incubator/spiff