fixed R2L mission info

added missing sound script for map 1

stuff

3.0 increment
-------------------

GENERAL
- Created level sound scripts
(these will be included with R2L since they utilize the sounds for it)
- Updated key model
(now looks like a key instead of a weird keycard)

E7M1
- Added color correction
- Updated intro scene
- Fixed texture bug above boundary tree lines
- Updated nav
- Updated area surrounding exit checkpoint

E7M2
- Added color correction
- New rooms added
- Added 1 more side mission

E7M3
- Added color correction
- Slime texture changed
- Updated portal

E7M4
- Added color correction
- Slime texture changed
- Reduced tank health during gauntlet
- Overhauled portal
- Cavern lighting updated

E7M5
- Added color correction
- Added scripts for R2L modes
- Fixed escape mechanic not registering players actually escaping

E7M6
- Added color correction
- Added boss attack indicators
(sounds and lights)

E7M7
- Added color correction
- Removed tank onslaught finale option
- Changed solidity of brushes in radio room
(could stand inside brushes lining broken wall)
- Fixed finale trigger error
(no longer registers an extra death for all survivors)
- Fixed texture bug above boundary tree lines
- Updated nav
- Reflected changes in M1
- Added infected drop point into radio room

v2.1
---------------
GENERAL
- Player_remark entities added to all maps
(I.E. Players will say 'up these stairs', 'this way', etc)
- 50% of fire axe spawns changed to spawn any melee weapon
- All indoor path arrows changed from black to orange

E7M1 - Rain dynamic added
- More melee weapons added

E7M4 - New rooms added
- Item density updated

E7M7 - Random background crow spawn added

v2
---------------
(Changes)

General
- tank precache issue fixed (hopefully)
- L4D1 survivor set option added

E7M1
- nav updated
- zombie population updated

E7M2
- more rooms added
- path obstruction added
- zombie population updated

E7M3
- nav updated
- zombie population updated
- infected path added

E7M5
- side mission trigger fixed (now much easier to trigger mechanic)
- ceda zombie boomer bile density reduced
- missing audio bacteria added
- missing frequency sound added

E7M6
- reduced boss explosive attack damage
- missing boss idle tank spawn re-added
- tank health updated
- common infected increased
- infected paths added
- zombie population updated

E7M7
- zombie population updated
- nav updated
- infected ladders added

whoops, uploaded wrong vpk previously

added link