README updates. Closes #25
README updates. Closes #25

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