docs: new release description and better explanation in readme file

README.md

@@ -6,9 +6,6 @@ A repository containing a simulation of two armies attacking each other. The pro
 ## Running the program
 
 To run the program you need jdk-17 and maven 3.8.5.
-If you need to use another jdk over 11, you can change the version in the pom.xml file.
-
-Change instances of 17, except javafx version, to your required version. (11 or above)
 
 Install the program by zip, tar or `git clone git@gitlab.stud.idi.ntnu.no:carljgu/Wargames.git`
 
@@ -22,7 +19,6 @@ Install the program by zip, tar or `git clone git@gitlab.stud.idi.ntnu.no:carljg
 Gitlab Pages: [Wargames javadoc](https://carljgu.pages.stud.idi.ntnu.no/Wargames)
 
 
-
 ## Release 1.0
 
 Added classes 
@@ -58,5 +54,14 @@ Added classes
 - UnitFactory: A class to simply and elegantly create units. Either one by one or many at once.
 - UnitFactoryTest: A test class to test the unit factory
 
-Added enums
+Added enum
 - Terrain: An enum that represents the different terrains
+
+## Release 4.0
+
+Added classes
+- EditArmyController: Controller class handling events in the edit-army fxml file.
+- BattleSimulationSingleton: Class which holds model information for controllers.
+
+Added enum
+- UnitType: Represents the different unit types

src/main/java/edu/ntnu/idatt2001/carljgu/client/App.java

 package edu.ntnu.idatt2001.carljgu.client;
 
 import java.io.IOException;
-import java.nio.file.Path;
-import java.nio.file.Paths;
 import java.util.Arrays;
 
 import edu.ntnu.idatt2001.carljgu.client.dialogs.DialogBoxBuilder;

src/main/java/edu/ntnu/idatt2001/carljgu/client/controllers/BattleController.java

@@ -14,8 +14,6 @@ import edu.ntnu.idatt2001.carljgu.battle.units.UnitFactory;
 
 import java.io.IOException;
 import java.net.URL;
-import java.nio.file.Path;
-import java.nio.file.Paths;
 import java.util.*;
 import java.util.stream.IntStream;