optimize imports, small typos in comments

missilewars-plugin/src/main/java/de/butzlabben/missilewars/Config.java

@@ -19,23 +19,20 @@
 package de.butzlabben.missilewars;
 
 import de.butzlabben.missilewars.game.GameManager;
-import de.butzlabben.missilewars.util.SetupUtil;
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileNotFoundException;
-import java.io.IOException;
-import java.io.InputStreamReader;
-import java.nio.charset.StandardCharsets;
-import java.util.HashMap;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
 import org.bukkit.Material;
-import static org.bukkit.Material.JUKEBOX;
-import static org.bukkit.Material.valueOf;
 import org.bukkit.World;
 import org.bukkit.configuration.ConfigurationSection;
 import org.bukkit.configuration.file.YamlConfiguration;
 
+import java.io.*;
+import java.nio.charset.StandardCharsets;
+import java.util.HashMap;
+
+import static org.bukkit.Material.JUKEBOX;
+import static org.bukkit.Material.valueOf;
+
 /**
  * @author Butzlabben
  * @since 01.01.2018

missilewars-plugin/src/main/java/de/butzlabben/missilewars/MissileWars.java

@@ -63,7 +63,7 @@ public class MissileWars extends JavaPlugin {
     }
 
     /**
-     * @return the instance
+     * @return the instance of the plugin
      */
     public static MissileWars getInstance() {
         return instance;
@@ -151,7 +151,7 @@ public class MissileWars extends JavaPlugin {
     }
 
     /**
-     * @return true, of FAWE is installed
+     * @return true, if FAWE is installed
      */
     public boolean foundFAWE() {
         return foundFAWE;
@@ -173,7 +173,7 @@ public class MissileWars extends JavaPlugin {
     }
 
     /**
-     * This methode send info about the version, version warnings (if needed) and the autors
+     * This methode send info about the version, version warnings (if needed) and the authors
      * in the console.
      */
     private void sendPluginInfo() {