Add in @Overrides across the board, clean up the comments around them some, and remove

unneeded imports.
I've got partially completed patches for narya & vilya, too, but nenya was the 
only one that wound up in a decent state after a friday evening puttering at it,
killing time waiting on other things to finish.


git-svn-id: svn+ssh://src.earth.threerings.net/nenya/trunk@572 ed5b42cb-e716-0410-a449-f6a68f950b19

src/java/com/threerings/media/image/TransformedMirage.java

@@ -21,7 +21,6 @@
 
 package com.threerings.media.image;
 
-import java.awt.Dimension;
 import java.awt.Graphics2D;
 import java.awt.Point;
 import java.awt.Rectangle;
@@ -29,8 +28,6 @@ import java.awt.geom.AffineTransform;
 import java.awt.geom.NoninvertibleTransformException;
 import java.awt.image.BufferedImage;
 
-import static com.threerings.media.Log.log;
-
 /**
  * Draws a mirage combined with an arbitrary AffineTransform.
  */