Added AngularFire utm_source to Firebase links
Added AngularFire utm_source to Firebase links

nbr1ninrsan2/angularfire,FirebaseExtended/angularfire,jamestalmage/angularfire,fbentz/angularfire,denisKaranja/angularfire,bpietravalle/angularfire,douglascorrea/angularfire,fbentz/angularfire,jamestalmage/angularfire,yoda-yoda/angularfire,douglascorrea/angularfire,itxd/angularfire,cesarmarinhorj/angularfire,bpietravalle/angularfire,cesarmarinhorj/angularfire,bpietravalle/angularfire,cesarmarinhorj/angularfire,itxd/angularfire,FirebaseExtended/angularfire,denisKaranja/angularfire,itxd/angularfire,douglascorrea/angularfire,nbr1ninrsan2/angularfire,nbr1ninrsan2/angularfire,denisKaranja/angularfire,FirebaseExtended/angularfire,fbentz/angularfire,yoda-yoda/angularfire,yoda-yoda/angularfire,jamestalmage/angularfire