Replaces typesof(path) - path with subtypesof(path) in obvious places. I was a bit conservative, there's probably a few more places that could use this.
Adds two generators : Asteroid and Syndicate
Syndicate templates
Finish syndicate templates
Moves border and repressurize to helpers.dm
Repressurize generator
Shuttle generator
Buildmode now resets the corners when switching modes/generators