Added a widget_checkbox_label option to the form. Accepted values are 'label', 'widget', or 'both'. It will default to 'both' for BC.
Merge commit '3f1c97e4a4093564c4df1f244a5e88a4ac5e2a28' into checkbox-label
Merge pull request #405 from isometriks/checkbox-label

Checkbox label