I have extended and rewritten some Code (based on Mitch's Code, but removed the Web-Interface).

Added:
- Support for Triggers: they are now real Entities
- Missing Textures generate a Warning (only printed once for each Texture)

Want-List:
- Add Spawnpoints
- Auto-generated .gsc-File for Teleport/Push-Triggers

Random-Idea:
- If you want to add a matching Stock-Texture from CoD2 to the Convert-List, just open the decompiled .vmf-File in Hammer-Editor (start Source SDK in Steam). So you can also see, what a missing Default-Texture in Radiant was supposed to be.

Download here: convert.php