add support for $route.reload()

Closes 254

src/services.js

@@ -747,6 +747,20 @@ angularServiceInject('$route', function(location) {
          */
         otherwise: function(params) {
           $route.when(null, params);
+        },
+
+        /**
+         * @workInProgress
+         * @ngdoc method
+         * @name angular.service.$route#reload
+         * @methodOf angular.service.$route
+         *
+         * @description
+         * Causes `$route` service to reload (and recreate the `$route.current` scope) upon the next
+         * eval even if {@link angular.service.$location $location} hasn't changed.
+         */
+        reload: function() {
+          dirty++;
         }
       };
   function updateRoute(){

test/servicesSpec.js

@@ -525,6 +525,31 @@ describe("service", function(){
       expect($route.current.template).toBe('foo.html');
       expect($route.current.scope.$parent).toBe(parentScope);
     });
+
+    it('should reload routes when reload() is called', function() {
+      var scope = angular.scope(),
+          $location = scope.$service('$location'),
+          $route = scope.$service('$route'),
+          onChangeSpy = jasmine.createSpy('onChange');
+
+      $route.when('', {template: 'foo.html'});
+      $route.onChange(onChangeSpy);
+      expect($route.current).toBeNull();
+      expect(onChangeSpy).not.toHaveBeenCalled();
+
+      scope.$eval();
+
+      expect($location.hash).toBe('');
+      expect($route.current.template).toBe('foo.html');
+      expect(onChangeSpy.callCount).toBe(1);
+
+      $route.reload();
+      scope.$eval();
+
+      expect($location.hash).toBe('');
+      expect($route.current.template).toBe('foo.html');
+      expect(onChangeSpy.callCount).toBe(2);
+    });
   });