Fix regression with Creator tool
Fix scanners creating console warnings on spawnmenu spawn
resource.AddFile does not add .jpg for .mdl files
Fixed crashes when SubRect materials is used on a brush
Dedicated server workshop improvements
* Cache addon list on success
* On failure to connect to Steam, try to load addons from cache (this is kinda hacky)
* Run Steam callbacks when waiting for Steam Log On, maybe that makes it work more consistently.
Mention that sv_no_ain_files should be set before map load
Handle missing cache file a bit better
Remove cl_showpluginmessages