Add param to complete()

jake/jake.d.ts

@@ -7,8 +7,9 @@
 
 /**
  * Complets an asynchronous task, allowing Jake's execution to proceed to the next task
+ * @param value A value to return from the task.
  */
-declare function complete(): void;
+declare function complete(value?: any): void;
 
 /**
  * Creates a description for a Jake Task (or FileTask, DirectoryTask). When invoked, the description that iscreated will be associated with whatever Task is created next.