Rebuilt the finale escape vehicle.. hopefully no more bugs!

Updated finale script. should have fixed the finale problem.

- added a new survival map Salvation Town Bridge
- Fixed funicular issue on the finale
- Added new steps to the finale map to make it more challenging
- updated the nav mesh in finale map to fix some problems

- updated nav in map 3

- quick fix for a new camera brush that was blocking the player path

- Updated intro so it's shorter
- Updated campagin poster so it has the correct set of survivors on it
- updated some long standing nav issues
- Added more spawn points to map 3

Updated map 3 gauntlet with final changes
Updated map 1 with some visual storytelling elements.

Updated map 3
Altered gauntlet flow rates
added throwables during gauntlet
added adrenaline, healthkits and pills

Reduced the number of hunters and jockeys able to spawn at the same time in the waterfall gauntlet.

Stringtable update:
Realised the version of the maps I was shipping was not the version being updated with stringtables by the game engine.
I have visually confimred that all maps included now have stringtable files included. Hopefully that's the end of it.