This little exe app converts an input directory to an output directory using such specific logic that it is unlikely to be of use to anyone but the intended recipient!
Build live at https://dl.dropboxusercontent.com/u/7953296/TextureBatcher.zip
Created using Visual Studio 2013 Comunity: https://www.visualstudio.com/en-us/products/visual-studio-community-vs.aspx
Just download the source zip, and open in VS