added generic setSize and draw function (calls the corresponding

processing functions)

Author: timeu

src/com/processingjs/client/ProcessingInstance.java

@@ -6,4 +6,12 @@ public abstract class ProcessingInstance extends JavaScriptObject{
 
 	protected ProcessingInstance() {}
 
+	public final native void setSize(int width,int height)  /*-{
+		this.size(width,height);
+	}-*/;
+	
+	public final native void draw() /*-{
+		this.draw();
+	}-*/;
+	
 }