Display a message box with the error as to why the game didn't start.

Author: SimonC4

desktop/src/com/miloshpetrov/sol2/desktop/SolDesktop.java

@@ -9,6 +9,7 @@
 import com.miloshpetrov.sol2.SolFileReader;
 import com.miloshpetrov.sol2.game.DebugOptions;
 import com.miloshpetrov.sol2.soundtest.SoundTestListener;
+import org.lwjgl.Sys;
 
 import java.io.BufferedReader;
 import java.io.FileReader;
@@ -54,6 +55,14 @@ public static void main(String[] argv) {
             c.addIcon(DebugOptions.DEV_ROOT_PATH + "res/icon.png", Files.FileType.Absolute);
         }
 
+        Thread.setDefaultUncaughtExceptionHandler(new Thread.UncaughtExceptionHandler() {
+            @Override
+            public void uncaughtException (Thread thread, final Throwable ex) {
+                System.err.println("Critical Failure" + ex.getLocalizedMessage());
+                Sys.alert("Critical Failure", ex.getLocalizedMessage());
+            }
+        });
+
         new LwjglApplication(new SolApplication(), c);
     }