v1414 - Is that you John Squirrel?

- new experimental asset map and mission added under Special Events
- map lighting tweaks
- "new game" button data erasure warning and confirmation dialogue added
- squirrel attack trace updates (squirrels are even deadlier - keep your distance)
- object glow tweaks
- health and ammo pickups now have constant glow
- more squirrel berries pickups added to all maps
- re-added intro story to startup sequence