add Pusher unbind events and set channels to main component state
add Pusher unbind events and set channels to main component state

tgoldenberg/Speak-It,nyc-dragonflies-2015/Speak-It,tgoldenberg/Speak-It,tgoldenberg/Speak-It,nyc-dragonflies-2015/Speak-It,nyc-dragonflies-2015/Speak-It