New feature: Covert ops

- you can disguise members of your team as civilians or soldiers and, if careful, avoid detection by the enemy.
- For more info, see http://www.bears-pit.com/board/ubbthreads.php/topics/309312/New_feature_Covert_operations.html#Post309312
- GameDir revision >= 1529 is needed for this feature

- fixed a bug that could cause inventory items to be treated like armed bombs
- bloodcats can now be skinned

git-svn-id: https://ja2svn.mooo.com/source/ja2/trunk/GameSource/ja2_v1.13/Build@5529 3b4a5df2-a311-0410-b5c6-a8a6f20db521

Utils/_DutchText.cpp

@@ -7075,6 +7075,7 @@ STR16 szUDBGenSecondaryStatsTooltipText[]=
 	L"|A|m|m|o |B|e|l|t",
 	L"|A|m|m|o |V|e|s|t",
 	L"|D|e|f|u|s|a|l |K|i|t", // TODO.Translate
+	L"|C|o|v|e|r|t |I|t|e|m",
 };
 
 STR16 szUDBGenSecondaryStatsExplanationsTooltipText[]=
@@ -7110,6 +7111,7 @@ STR16 szUDBGenSecondaryStatsExplanationsTooltipText[]=
 	L"\n \nWith this ammo belt you can\nfeed someone else's MG.",
 	L"\n \nYou can feed an MG with ammo\nbelts stored in this vest.",
 	L"\n \nThis item improves your trap disarm chance by ",		// TODO.Translate
+	L"\n \nThis item and everything attached/inside\nit is hidden from curious eyes.",
 };
 
 STR16 szUDBAdvStatsTooltipText[]=