Customise Template Name

Issue Summary

Great little module, at present the drop down shows the template file name minus .tpl.php which is fine for me or someone who understands the template structure, but I would like to make it more intuitive for content editors by allowing each template to be given a name somehow.

For example I have 2 different templates, one is a section page with an image and 3 columns, whilst the other is a standard page without an image and only 2 columns. Therefore I would like to provide a more descriptive name other than page-section and page