Using light modules on Windows has an annoying limitation/bug:
When a folder has sub-folders, the folder has a 'file' lock -> one can't rename or delete it until tomcat is stopped.

Reproduce:
Unzip this LM into and observer modules folder 'empty-light-module_just-rename-it.zip'
Try to rename the LM folder -> won't work
Try to rename the 'templates' or 'dialogs' folder -> won't work
Try to rename the 'templates\components' or 'dialogs\components' folder -> works (no sub-folders)
Add a sub-folder into 'templates\components' and try to rename it -> won't work.

This is a quite annoying behavior as it limits the developers flexibility quite tremendous when developing with LMs.