Kelly rc1b-repack

Map
- 20% less mvm_coaltown
- Expanded bot spawn area
- Added two more bot spawns
- Adjusted placement of health / ammo
- Planted grass
Popfile
- Decreased amount of credits distributed each round
- Added more difficult bots / decreased amount of "bot spam" in waves

- Added visual effects to wave start and tank spawn events
- Added new mission for expert difficulty

Map
- Removed mvm_decoy
- Added additional health and ammo
- Added forward upgrade station
Popfile
- Increased number and variety of bots
- Changed color of bot ears to olive green

- Lowered height of overlooking platform near robot spawn
- Added additional health and ammo near robot spawn
- Added additional lighting around the map
- Added popfile for normal difficulty