Adding '/mw version' command

missilewars-plugin/src/main/java/de/butzlabben/missilewars/commands/MWCommands.java

@@ -63,8 +63,16 @@ public class MWCommands extends BaseCommand {
         sendHelpMessage(sender, "mw.debug", "/mw debug", "Show debug info.");
         sendHelpMessage(sender, "mw.restartall", "/mw restartall", "Restart all games.");
 
+        sendHelpMessage(sender, "/mw version", "Show the plugin version.");
         sendHelpMessage(sender, "mw.setup", "/mw setup <main|lobby|arena> ...", "Setup the MW locations or the lobby/arena locations.");
     }
+    
+    @Subcommand("version")
+    @CommandCompletion("@nothing")
+    public void versionCommand(CommandSender sender, String[] args) {
+        
+        sender.sendMessage(Messages.getPrefix() + "Installed version: " + MissileWars.getInstance().version + " by RedstoneFuture & Butzlabben");
+    }
 
     @Subcommand("listgames|list|games")
     @CommandCompletion("@nothing")
@@ -315,4 +323,8 @@ public class MWCommands extends BaseCommand {
         }
         sender.sendMessage(Messages.getPrefix() + command + " - " + description);
     }
+    
+    static void sendHelpMessage(CommandSender sender, String command, String description) {
+        sender.sendMessage(Messages.getPrefix() + command + " - " + description);
+    }
 }