feat(controller): support as instance syntax

Support ng-controller="MyController as my" syntax
which publishes the controller instance to the
current scope.

Also supports exporting a controller defined with route:
````javascript
angular.module('routes', [], function($routeProvider) {
  $routeProvider.when('/home', {controller: 'Ctrl as home', templateUrl: '...'});
});
````

1 files changed, 11 insertions, 0 deletions

diff --git a/test/ng/controllerSpec.js b/test/ng/controllerSpec.js
index 2abcace9..e34463b0 100644
--- a/test/ng/controllerSpec.js
+++ b/test/ng/controllerSpec.js
@@ -88,4 +88,15 @@ describe('$controller', function() {
 
     expect(ctrl.$scope).toBe(scope);
   });
+
+
+  it('should publish controller instance into scope', function() {
+    var scope = {};
+
+    $controllerProvider.register('FooCtrl', function() { this.mark = 'foo'; });
+
+    var foo = $controller('FooCtrl as foo', {$scope: scope});
+    expect(scope.foo).toBe(foo);
+    expect(scope.foo.mark).toBe('foo');
+  });
 });