Merge pull request #852 from david-driscoll/ts/wrap

Added wrap method declaration

Author: mattpodwysocki

ts/core/linq/observable/spawn.ts

@@ -1,6 +1,7 @@
 /// <reference path="../../observable.ts"/>
 module Rx {
     export interface ObservableStatic {
-        spawn<T>(fn: () => T): Observable<T>;
+        wrap<T>(fn: Function): Observable<T>;
+        spawn<T>(fn: Function): Observable<T>;
     }
 }