Fix module definition for IModule

Put the IModule definition in angular module.

angularjs/angular-animate.d.ts

@@ -287,9 +287,11 @@ declare module angular.animate {
     interface IAnimateCssService {
         (element: JQuery, animateCssOptions: IAnimationOptions): IAnimateCssRunner;
     }
+}
 
+declare module angular {
     interface IModule {
-        animation(name: string, animationFactory: IAnimateFactory): IModule;
+        animation(name: string, animationFactory: angular.animate.IAnimateFactory): IModule;
         animation(name: string, inlineAnnotatedFunction: any[]): IModule;
         animation(object: Object): IModule;
     }