Look for templates also in /usr/share/pcbdraw/
Look for templates also in /usr/share/pcbdraw/

This decouples the scripts from their data.
Data can be installed in GLOBAL_DATA_DIR (/usr/share/pcbdraw/)
Templates:
- We try in the current directory.
- Then we try to add '.handlebars' extension and look again.
- Try in PKG_BASE
- Finally try with GLOBAL_DATA_DIR
If no template is specified we use `simple.handlebars`

yaqwsx/PcbDraw,yaqwsx/PcbDraw