Updates to scene
Added post processing
Fixed highlander spawn node
Boss Gate and Death Tile Spotlight

Boss gate needs updated model, but should work on command, death tile
spotlights work but need to be added to death tiles. Also commented out
lines of code in projectile scripts
Scrap fixed and death tile spotlights added
Fixed tile positioning
Getting the updates from the main branch.
Merged with LevelGen2
Adding Audio assets into the game.
Working tile enemy detection
Merge branch 'LevelGen2' into Stryker
Fixed tile duplication
Merge branch 'LevelGen2' into Stryker
Commiting updates to stryker
Added highlander to spawn code
Merge with master