app.controller('HomeController', ['$http', 'AuthFactory', function($http, AuthFactory) {
  console.log('HomeController running');
  var self = this;

  // AuthFactory.auth.$onAuthStateChanged(function(firebaseUser){
  //
  // })

  self.isLoggedIn = AuthFactory.userStatus.isLoggedIn;
  console.log(self.isLoggedIn);

      self.dataArray = [
      {
        src: '../assets/images/carousel/genome.jpg'
      },
      {
        src: '../assets/images/carousel/falkirk-wheel.jpg'
      },
      {
        src: '../assets/images/carousel/iss.jpg'
      },
      {
        src: '../assets/images/carousel/shark.jpg'
      },
      {
        src: '../assets/images/carousel/snowflake.jpg'
      },
      {
        src: '../assets/images/carousel/virus.jpg'
      },
      {
        src: '../assets/images/carousel/rock-formation.jpg'
      },
      {
        src: '../assets/images/carousel/circuit-board.jpg'
      }
    ];
}]);

app.controller('HomeController', ['$http', 'AuthFactory', function($http, AuthFactory) {
  console.log('HomeController running');
  var self = this;

  // AuthFactory.auth.$onAuthStateChanged(function(firebaseUser){
  //
  // })

  self.isLoggedIn = AuthFactory.userStatus.isLoggedIn;
  console.log("home controller:", AuthFactory.userStatus);

      self.dataArray = [
      {
        src: '../assets/images/carousel/genome.jpg'
      },
      {
        src: '../assets/images/carousel/falkirk-wheel.jpg'
      },
      {
        src: '../assets/images/carousel/iss.jpg'
      },
      {
        src: '../assets/images/carousel/shark.jpg'
      },
      {
        src: '../assets/images/carousel/snowflake.jpg'
      },
      {
        src: '../assets/images/carousel/virus.jpg'
      },
      {
        src: '../assets/images/carousel/rock-formation.jpg'
      },
      {
        src: '../assets/images/carousel/circuit-board.jpg'
      }
    ];
}]);

Add log checking userStatus