changes:

- added form list
- added sort by time
- fixed hanging channel in zip writer
- removed download url from form template
- added upload description
- added linter to Makefiles
- added missing test file

api/fileio.go

@@ -180,6 +180,8 @@ func ZipDir(directory, zipfilename string) error {
 
 		if err != nil {
 			failure <- "Failed to zip directory: " + err.Error()
+		} else {
+			close(failure)
 		}
 	}()