$http({
    method: 'POST',
    url: 'http://localhost:8080/DemoWebApplication/api/authenticate',
    headers: {'Content-Type': 'application/x-www-form-urlencoded'},
    transformRequest: function(obj) {
        var str = [];
        for(var p in obj)
        str.push(encodeURIComponent(p) + "=" + encodeURIComponent(obj[p]));
       console.log(str.join("&"));
        return str.join("&");
    },
    data: {user: 'selvyn', password: 'gradprog2016' }
}).then(function(response) {
      $scope.myWelcome = response.data;
  });
});