In some of the widget js files, references to corresponding php processors are not correct

The links to PHP actions should use lowercase filenames. For environments that are strict about this, we are getting errors that the processors are not being found. Changing these references to lowercase solved the issue. 


For example:
https://github.com/josht/faqMan/blob/develop/assets/components/faqman/js/mgr/widgets/items.grid.js#L14