TODO - SCM Re-write
SCM rewrite, it's a very big project.
It will include:
-Everything unlocked by default (no storyline)
-External scripts loaded when starting a new game
-Car generators have their own enabling/disabling code (see the TODO for this)
-Side missions are unlocked by default
-Use a new mission ID layout
-Use a new External Script layout
-Add in LC liftbridge code when LC is converted
-Add in LC weapon pickups
-Add in LC vehicle spawns
-Add in LC bribes, horseshoes, and other stuff'
-Add in VC/LC shops/paynsprays/markers
-Add in markers for every SA/VC/LC location
-Remove storyline markers (CJ, BS, S, Cv, C-, C, TT, and so on) and replace them with custom VC/III icons