Major improvements to upload progress.

redux/photos/photos.actions.js

@@ -53,3 +53,17 @@ export const clearUploadError = () => ({
   type: PhotosActionTypes.CLEAR_UPLOAD_ERROR,
 });
 
+
+export const addUploadCancelTask = (payload) => ({
+  type: PhotosActionTypes.ADD_UPLOAD_CANCEL_TASK,
+  payload,
+});
+
+export const removeUploadCancelTask = (payload) => ({
+  type: PhotosActionTypes.REMOVE_UPLOAD_CANCEL_TASK,
+  payload,
+});
+
+export const cancelUploads = () => ({
+  type: PhotosActionTypes.CANCEL_UPLOADS,
+});