Merge pull request #11063 from jucrouzet/patch-1

Add bluebird's cancelation method.

request-promise/request-promise.d.ts

@@ -23,6 +23,7 @@ declare module 'request-promise' {
             finally<TResult>(handler: () => PromiseLike<TResult>): Promise<any>;
             finally<TResult>(handler: () => TResult): Promise<any>;
             promise(): Promise<any>;
+            cancel(): void;
         }
 
         interface RequestPromiseOptions extends request.CoreOptions {