Added Kotlin!

android/build.gradle

@@ -1,6 +1,6 @@
 android {
     buildToolsVersion "26.0.2"
-    compileSdkVersion 25
+    compileSdkVersion 26
     sourceSets {
         main {
             manifest.srcFile 'AndroidManifest.xml'

build.gradle

@@ -1,5 +1,11 @@
 buildscript {
 
+    ext.kotlinVersion = '1.2.21'
+
+    dependencies {
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlinVersion"
+    }
+
 
     repositories {
         mavenLocal()
@@ -39,7 +45,7 @@ allprojects {
 }
 
 project(":desktop") {
-    apply plugin: "java"
+    apply plugin: "kotlin"
 
 
     dependencies {
@@ -53,6 +59,7 @@ project(":desktop") {
 
 project(":android") {
     apply plugin: "android"
+    apply plugin: "kotlin-android"
 
     configurations { natives }
 
@@ -75,7 +82,7 @@ project(":android") {
 }
 
 project(":ios") {
-    apply plugin: "java"
+    apply plugin: "kotlin"
     apply plugin: "robovm"
 
 
@@ -107,13 +114,13 @@ project(":html") {
 }
 
 project(":core") {
-    apply plugin: "java"
+    apply plugin: "kotlin"
 
 
     dependencies {
         compile "com.badlogicgames.gdx:gdx:$gdxVersion"
         compile "com.badlogicgames.gdx:gdx-box2d:$gdxVersion"
-        
+        compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlinVersion"
     }
 }
 

core/build.gradle

@@ -1,4 +1,4 @@
-apply plugin: "java"
+apply plugin: "kotlin"
 
 sourceCompatibility = 1.6
 [compileJava, compileTestJava]*.options*.encoding = 'UTF-8'

core/src/com/unciv/logic/civilization/CivilizationInfo.java

@@ -91,15 +91,18 @@ public class CivilizationInfo {
 
         String greatPerson = greatPeople.getNewGreatPerson();
         if(greatPerson!=null) {
-            CityInfo randomCity = cities.getRandom();
-            placeUnitNearTile(cities.getRandom().cityLocation, greatPerson);
-            gameInfo.addNotification("A " + greatPerson + " has been born!", randomCity.cityLocation);
         }
 
         goldenAges.nextTurn(happiness);
 
     }
 
+    public void addGreatPerson(String greatPerson){
+        CityInfo randomCity = cities.getRandom();
+        placeUnitNearTile(cities.getRandom().cityLocation, greatPerson);
+        gameInfo.addNotification("A " + greatPerson + " has been born!", randomCity.cityLocation);
+    }
+
     public CivStats getStatsForNextTurn() {
         CivStats statsForTurn = new CivStats();
         for (CityInfo city : cities) {

core/src/com/unciv/models/gamebasics/Building.java

@@ -215,7 +215,7 @@ public class Building extends NamedStats implements IConstruction, ICivilopedia
             constructions.builtBuildings.add(providesFreeBuilding);
         if (freeTechs != 0) civInfo.tech.freeTechs += freeTechs;
         if("EmpireEntersGoldenAge".equals(unique)) civInfo.goldenAges.enterGoldenAge();
-        if("FreeGreatArtistAppears".equals(unique)) civInfo.greatPeople.addGreatPerson("Great Artist");
+        if("FreeGreatArtistAppears".equals(unique)) civInfo.addGreatPerson("Great Artist");
         if("WorkerConstruction".equals(unique)){
             civInfo.placeUnitNearTile(constructions.cityInfo.cityLocation,"Worker");
             civInfo.placeUnitNearTile(constructions.cityInfo.cityLocation,"Worker");

desktop/build.gradle

@@ -1,4 +1,4 @@
-apply plugin: "java"
+apply plugin: "kotlin"
 
 sourceCompatibility = 1.6
 sourceSets.main.java.srcDirs = [ "src/" ]

html/build.gradle

@@ -1,6 +1,6 @@
 import de.richsource.gradle.plugins.gwt.GwtSuperDev
 
-apply plugin: "java"
+apply plugin: "kotlin"
 apply plugin: "jetty"
 
 gwt {