Update pubsub plugin for slightly changed API.
Update pubsub plugin for slightly changed API.

minddistrict/strophejs,Voiceworks/strophejs,m800-limited/strophejs,adozenlines/strophejs,Voiceworks/strophejs,ggozad/strophejs,processone/strophejs,joachimlindborg/strophejs,strophe/strophejs,gabrielfalcao/strophejs,sualko/strophejs,minddistrict/strophejs,diegocr/strophejs,m800-limited/strophejs,metajack/strophejs,ggozad/strophejs,strophe/strophejs,metajack/strophejs,eidmanna/strophe-closure,sualko/strophejs,damencho/strophejs,damencho/strophejs,processone/strophejs,minddistrict/strophejs,strophe/strophejs,Rom4eg/strophejs,eidmanna/strophe-closure,Rom4eg/strophejs,m800-limited/strophejs,teambox/strophejs,Rom4eg/strophejs,gabrielfalcao/strophejs,gabrielfalcao/strophejs,ggozad/strophejs,teambox/strophejs,diegocr/strophejs,joachimlindborg/strophejs,processone/strophejs,teambox/strophejs,sualko/strophejs,adozenlines/strophejs,joachimlindborg/strophejs,adozenlines/strophejs,Voiceworks/strophejs,diegocr/strophejs,damencho/strophejs