* Switched ULWGL download to fetch from GitHub releases
* Froze ULWGL at 0.1-RC3 while waiting for ULWGL dev to stabilize
* Switched all wget downloads to curl downloads
* Switched to generic ULWGL Proton instead of a specific version
* Updated ULWGL paths to match latest ULWGL changes
* Updated uninstall and model2 files to match latest ULWGL changes