-added StealthBonus tag to Items

-stealth works like extra camouflage, but is not terrain dependent and also conceals noise
-fixed armour attachments getting destroyed when armour is destroyed

git-svn-id: https://ja2svn.mooo.com/source/ja2/trunk/GameSource/ja2_v1.13/Build@361 3b4a5df2-a311-0410-b5c6-a8a6f20db521

Tactical/opplist.cpp

@@ -4671,6 +4671,9 @@ UINT8 MovementNoise( SOLDIERTYPE *pSoldier )
 		iStealthSkill += 25 * NUM_SKILL_TRAITS( pSoldier, STEALTHY );
 	}
 
+	if ( GetWornStealth(pSoldier) > 0 )
+		iStealthSkill += GetWornStealth(pSoldier) / 2;
+
 
  //NumMessage("Base Stealth = ",stealthSkill);