add todo

js/components/ascribe_uploader/file_drag_and_drop_preview.js

@@ -27,6 +27,9 @@ let FileDragAndDropPreview = React.createClass({
         }
     },
 
+    // implement a handle cancel action here that triggers fineuploaders cancel method
+    // to delete files that are currently uploading
+
     render() {
         let previewElement;
 

js/components/ascribe_uploader/react_s3_fine_uploader.js

@@ -221,6 +221,7 @@ var ReactS3FineUploader = React.createClass({
 
     onCancel() {
         console.log('cancel');
+        // handle file removal here, for this.state.filesToUpload (same as in onDeleteComplete)
     },
 
     onSessionRequestComplete() {