old_contents: angular.module('MinecraftlyAppServices')
          .factory("API", function ($http, $localStorage)
          {
              var APIFactory = {};
              APIFactory.url = 'https://minecraft-ly.appspot.com';
              //APIFactory.url = '//localhost:8000/';
              APIFactory.login = function (username, password)
              {
                  return $http.post(APIFactory.url + "login", {'username': username, 'password': password});
              };
              return APIFactory;
          });
new_contents: angular.module('MinecraftlyAppServices')
          .factory("API", function ($http, $localStorage)
          {
              var APIFactory = {};
              APIFactory.url = 'https://minecraft-ly.appspot.com/';
              //APIFactory.url = '//localhost:8000/';
              APIFactory.login = function (username, password)
              {
                  return $http.post(APIFactory.url + "login", {'username': username, 'password': password});
              };
              return APIFactory;
          });
subject: Update API URL