Ice is impassible for all except submarines (#2158)

* Ice is impassible for all except submarines

* Using "unique" property + simplified call of functions

android/assets/jsons/Units.json

@@ -1098,7 +1098,7 @@
 		"rangedStrength": 60,
 		"cost": 325,
 		"requiredTech": "Refrigeration",
-		"uniques": ["Bonus as Attacker [75]%", "Invisible to others", "Can only attack water", "Can attack submarines"],
+		"uniques": ["Bonus as Attacker [75]%", "Invisible to others", "Can only attack water", "Can attack submarines", "Can enter ice tiles"],
 		"hurryCostModifier": 20
 	},
 	{

android/assets/jsons/translations/Russian.properties

@@ -1586,6 +1586,7 @@ Submarine = Подводная лодка
 Bonus as Attacker [amount]% = Бонус при атаке +[amount]%
 Invisible to others = Невидим остальным
 Can only attack water = Может атаковать только морские юниты
+Can enter ice tiles = Может проходить через лёд
 Carrier = Авианосец
 Triplane = Триплан
 [percent]% chance to intercept air attacks = [percent]% шанс перехвата воздушных атак

android/assets/jsons/translations/Ukrainian.properties

@@ -1566,6 +1566,7 @@ Submarine = Субмарина
 Bonus as Attacker [amount]% = Перевага у нападі +[amount]%
 Invisible to others = Інші не бачать
 Can only attack water = Може атакувати тільки на воді
+Can enter ice tiles = Може проходити крізь лід
 Carrier = Авіаносець
 Triplane = Триплан
 [percent]% chance to intercept air attacks = Можливе перехоплення повітряних атак [percent]%

android/assets/jsons/translations/template.properties

@@ -1564,6 +1564,7 @@ Submarine =
 Bonus as Attacker [amount]% = 
 Invisible to others = 
 Can only attack water = 
+Can enter ice tiles = 
 Carrier = 
 Triplane = 
 [percent]% chance to intercept air attacks =