fix warnings, cleanups

vtm-gdx-html/src/org/oscim/gdx/client/GwtPaint.java

@@ -16,7 +16,7 @@ public class GwtPaint implements Paint {
 	float fontSize = 12;
 
 	private FontStyle fontStyle = FontStyle.NORMAL;
-	private FontFamily fontFamily = FontFamily.DEFAULT;
+	//private FontFamily fontFamily = FontFamily.DEFAULT;
 
 	//String font = "12px sans-serif";
 	String font = "13px Helvetica";
@@ -85,7 +85,7 @@ public class GwtPaint implements Paint {
 	@Override
 	public void setTypeface(FontFamily fontFamily, FontStyle fontStyle) {
 		this.fontStyle = fontStyle;
-		this.fontFamily = fontFamily;
+		//this.fontFamily = fontFamily;
 		buildFont();
 	}
 

vtm-gdx-html/src/org/oscim/gdx/emu/com/badlogic/gdx/backends/gwt/GwtGL20.java

@@ -25,7 +25,6 @@ import java.nio.ShortBuffer;
 import java.util.HashMap;
 import java.util.Map;
 
-import com.badlogic.gdx.Gdx;
 import com.badlogic.gdx.graphics.GL10;
 import com.badlogic.gdx.graphics.GL20;
 import com.badlogic.gdx.graphics.Pixmap;

vtm-gdx-html/src/org/oscim/gdx/emu/org/oscim/utils/async/AsyncExecutor.java

@@ -2,7 +2,6 @@ package org.oscim.utils.async;
 
 import com.badlogic.gdx.Gdx;
 import com.badlogic.gdx.utils.Disposable;
-import com.badlogic.gdx.utils.Timer;
 
 /**
  * GWT emulation of AsynchExecutor, will call tasks immediately :D
@@ -26,7 +25,7 @@ public class AsyncExecutor implements Disposable {
 	 * will be queued.
 	 * @param task the task to execute asynchronously
 	 */
-	@SuppressWarnings("rawtypes")
+	@SuppressWarnings({ "unchecked", "rawtypes" })
 	public <T> AsyncResult<T> submit(final AsyncTask<T> task) {
 
 		T result = null;
@@ -37,6 +36,9 @@ public class AsyncExecutor implements Disposable {
 		} catch(Throwable t) {
 			error = true;
 		}
+		if (error)
+			return null;
+
 		return new AsyncResult(result);
 	}