Espionage Uniques, Buildings and Policy (#11401)

* Added OneTimeSpiesLevelUp, OneTimeGainSpy, SpyEffectiveness, EnemySpyEffectiveness and HiddenWithoutEspionage Uniques

* Spy effectiveness affects stealing tech and rigging elections

* Fixed HiddenWithoutEspionage

* Added Constabulary and Police Station

* Added cityFilter to SpyEffectiveness

* Added national Intelligence agency

* Added Great Firewall

* Fixed great firewall having a float value

* EspionageManager addSpy now returns Spy instead of name

* Added some simple espionage tests

* Fixed OneTimeSpiesLevelUp still wanting parameter

* Spy efficiency occurs after skill modifier

* Added another test

* Added Police State spy efficiency reduction unique

* Fixed "Hidden when espionage is disabled" wording

* Fixed "effectiveness" wording

* Changed "enemy spy effectiveness" unique to use negative matters

* Spy effectiveness only affect tech steal rate

* Changed "Gain an extra spy" and "Promotes all spies" uniques

* Removed Police State comment that is no longer accurate

* Changed spy effectiveness to be multiplicative

android/assets/jsons/Civ V - Gods & Kings/Buildings.json

@@ -709,6 +709,14 @@
 		"requiredBuilding": "Market",
 		"requiredTech": "Banking"
 	},
+    {
+        "name": "Constabulary",
+        "cost": 160,
+        "maintenance": 1,
+        "hurryCostModifier": 10,
+        "uniques": ["Hidden when espionage is disabled", "[-25]% enemy spy effectiveness [in this city]"],
+        "requiredTech": "Banking"
+    },
 	// will be introduced in BNW expansion pack
 //	{
 //		"name": "Hanse",
@@ -934,6 +942,15 @@
 		"uniques": ["Must be on [River]","[+1 Production] from [River] tiles [in this city]"],
 		"requiredTech": "Electricity"
 	},
+    {
+        "name": "Police Station",
+        "cost": 300,
+        "maintenance": 1,
+        "hurryCostModifier": 10,
+        "uniques": ["Hidden when espionage is disabled", "[-25]% enemy spy effectiveness [in this city]"],
+        "requiredBuilding": "Constabulary",
+        "requiredTech": "Electricity"
+    },
 
 	// Modern Era
 
@@ -964,6 +981,15 @@
 		"requiredTech": "Radio",
 		"quote": "'We live only to discover beauty, all else is a form of waiting' - Kahlil Gibran"
 	},
+    {
+        "name": "National Intelligence Agency",
+        "cost": 120,
+        "culture": 1,
+        "isNationalWonder": true,
+        "uniques": ["Hidden when espionage is disabled", "Gain an extra spy", "Promotes all spies", "[-15]% enemy spy effectiveness [in this city]",
+            "Only available <if [Police Station] is constructed in all [non-[Puppeted]] cities>", "Cost increases by [30] per owned city"],
+        "requiredTech": "Radio"
+    },
 	{
 		"name": "Military Base",
 		"cityStrength": 12,
@@ -1083,6 +1109,13 @@
 			"Hidden when [Scientific] Victory is disabled", "Cannot be hurried"],
 		"requiredTech": "Rocketry"
 	},
+    {
+        "name": "Great Firewall",
+        "isWonder": true,
+        "uniques": ["Hidden when espionage is disabled", "[-99]% enemy spy effectiveness [in this city]",
+            "[-25]% enemy spy effectiveness [in all cities]",],
+        "requiredTech": "Computers"
+    },
 
 	// Information Era
 

android/assets/jsons/Civ V - Gods & Kings/Policies.json

@@ -577,9 +577,9 @@
                 "name": "Police State",
                 "uniques": [
                     "[+3 Happiness] from every [Courthouse]",
-                    "[+100]% Production when constructing [Courthouse] buildings [in all cities]"
+                    "[+100]% Production when constructing [Courthouse] buildings [in all cities]",
+                    "[-25]% enemy spy effectiveness [in all cities]"
                 ],
-                // There are also some uniques regarding espoinage, which as of this writing is not yet implemented
                 "requires": ["Militarism"],
                 "row": 2,
                 "column": 4