myApp.controller('loginCtrl',['$scope','$firebaseAuth','config',function($scope,$firebaseAuth,config){

console.info('[APP-INFO] ~ loginCtrl Start')

var ref = new Firebase('https://myauth-tadmit.firebaseio.com/');
var auth = $firebaseAuth(ref);

$scope.register =  function(){
    auth.$createUser({
        email: $scope.user.email,
        password: $scope.user.password
    }).then(function(regUser){
        console.log('RegComplete User:' )
    }).catch(function(error){
        console.log(error.message)
    });
}

}]);

Projects created at console.firebase.google.com must use the new Firebase Authentication SDKs available from firebase.google.com/docs/auth/

<script src="https://cdn.firebase.com/js/client/2.2.4/firebase.js"></script>
<script src="https://cdn.firebase.com/libs/angularfire/1.2.0/angularfire.min.js"></script>