Use both firing offsets for missile tank and missile tower

Remove missile tank FireDelay. Fix Report of missile tank weapon. Fix and explosion animation of both missile weapons and use less audible explosion sound (had no sound at all in the original).

mods/d2k/rules/vehicles.yaml

@@ -207,7 +207,7 @@ missile_tank:
 		Cost: 1000
 	Tooltip:
 		Name: Missile Tank
-		Description: Rocket Artillery\n  Strong vs Vehicles, Buildings\n  Weak vs Infantry, Aircraft
+		Description: Rocket Artillery\n  Strong vs Vehicles, Buildings, Aircraft\n  Weak vs Infantry
 	Buildable:
 		Queue: Armor
 		Prerequisites: ~heavy.missiletank, upgrade.heavy, research_centre, ~techlevel.high

mods/d2k/weapons.yaml

@@ -300,13 +300,15 @@ Rocket:
 
 TowerMissile:
 	ReloadDelay: 60
+	Burst: 2
+	BurstDelay: 60
 	Range: 5c512
 	MinRange: 1c0
 	Report: ROCKET1.WAV
 	ValidTargets: Ground, Air
 	Projectile: Missile
 		Blockable: false
-		Shadow: yes
+		Shadow: true
 		RateOfTurn: 1
 		Inaccuracy: 384
 		Image: MISSILE2
@@ -333,8 +335,8 @@ TowerMissile:
 	Warhead@2Smu: LeaveSmudge
 		SmudgeType: SandCrater, RockCrater
 	Warhead@3Eff: CreateEffect
-		Explosion: med_explosion
-		ImpactSound: EXPLSML4.WAV
+		Explosion: small_explosion
+		ImpactSound: EXPLSML1.WAV
 
 80mm_A:
 	ReloadDelay: 50
@@ -455,8 +457,10 @@ DevBullet:
 
 mtank_pri:
 	ReloadDelay: 115
+	Burst: 2
+	BurstDelay: 115
 	Range: 6c0
-	Report: MISSLE1.WAV
+	Report: ROCKET1.WAV
 	ValidTargets: Ground, Air
 	Projectile: Missile
 		Speed: 281
@@ -487,8 +491,8 @@ mtank_pri:
 	Warhead@2Smu: LeaveSmudge
 		SmudgeType: SandCrater, RockCrater
 	Warhead@3Eff: CreateEffect
-		Explosion: med_explosion
-		ImpactSound: EXPLSML4.WAV
+		Explosion: small_explosion
+		ImpactSound: EXPLSML1.WAV
 
 DeviatorMissile:
 	ReloadDelay: 160