Update angular-file-upload definitions

Add abort and xhr methods to the upload promise

angular-file-upload/angular-file-upload-tests.ts

@@ -29,6 +29,10 @@ module controllers {
 			        },
 			        file: file
 		        })
+                .abort()
+                .xhr((evt: any) => {
+                    console.log('xhr');
+                })
 		        .progress((evt: angular.angularFileUpload.IFileProgressEvent) => {
 			        var percent = parseInt((100.0 * evt.loaded / evt.total).toString(), 10);
 			        console.log("upload progress: " + percent + "% for " + evt.config.file.name);

angular-file-upload/angular-file-upload.d.ts

@@ -14,8 +14,9 @@ declare module angular.angularFileUpload  {
     }
 
     interface IUploadPromise<T> extends IHttpPromise<T> {
-
+        abort(): IUploadPromise<T>;
         progress(callback: IHttpPromiseCallback<T>): IUploadPromise<T>;
+        xhr(callback: IHttpPromiseCallback<T>): IUploadPromise<T>;
     }
 
     interface IFileUploadConfig extends IRequestConfig {