Fixed a light issue in Security Maintenance (thanks to muskets).

Update to Bridge.
More updates to CentCom. Added doors (elevator sprite) to CentCom but they are inaccessible at the moment.
Added new weapon sounds: blaster, laser, pulse, wave, emitter, and one for the marauder canon. Not all are used at the moment.
New sounds for the energy sword on and off states (they're unlicensed, I promise).
Added/changed alien attack sounds.
Added some more messages for aliens attacking mechs.

git-svn-id: http://tgstation13.googlecode.com/svn/trunk@700 316c924e-a436-60f5-8080-3fe189b3f50e

code/game/objects/items/weapons/guns_ammo.dm

@@ -60,7 +60,7 @@ TELEPORT GUN
 			return
 
 		var/obj/beam/a_laser/A = new /obj/beam/a_laser/pulse_laser(user.loc)
-		playsound(user, 'Laser.ogg', 50, 1)
+		playsound(user, 'pulse.ogg', 50, 1)
 		A.current = curloc
 		A.yo = targloc.y - curloc.y
 		A.xo = targloc.x - curloc.x
@@ -990,7 +990,7 @@ obj/item/weapon/gun/revolver/attackby(obj/item/weapon/ammo/a357/A as obj, mob/us
 			user << "\red *click* *click*";
 			return
 
-		playsound(user, 'Taser.ogg', 50, 1)
+		playsound(user, 'laser3.ogg', 50, 1)
 		src.charges--
 		update_icon()
 

code/game/objects/items/weapons/swords_axes_etc.dm

@@ -30,6 +30,7 @@ STUN BATON
 		else
 			src.icon_state = "sword1"
 		src.w_class = 4
+		playsound(user, 'saberon.ogg', 50, 1)
 	else
 		user << "\blue [src] can now be concealed."
 		src.force = 3
@@ -38,6 +39,7 @@ STUN BATON
 		else
 			src.icon_state = "sword0"
 		src.w_class = 2
+		playsound(user, 'saberoff.ogg', 50, 1)
 	src.add_fingerprint(user)
 	return