Fixed setup instructions in README
Fixed setup instructions in README

gerrymclarnon/emberFire,FirebaseExtended/emberfire,FirebaseExtended/emberfire,rtablada/emberfire,leifcr/emberfire,rtablada/emberfire,gerrymclarnon/emberFire,MattMSumner/emberfire,FirebaseExtended/emberfire,IsaiahJTurner/emberfire,19degrees/emberfire,IsaiahJTurner/emberfire,MattMSumner/emberfire,FirebaseExtended/emberfire,leifcr/emberfire,19degrees/emberfire