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/tile/UniformTileSet.java

@@ -34,7 +34,7 @@ import com.threerings.geom.GeomUtil;
  */
 public class UniformTileSet extends TileSet
 {
-    // documentation inherited
+    @Override
     public int getTileCount ()
     {
         BufferedImage tsimg = getRawTileSetImage();
@@ -43,7 +43,7 @@ public class UniformTileSet extends TileSet
         return perRow * perCol;
     }
 
-    // documentation inherited
+    @Override
     public Rectangle computeTileBounds (int tileIndex, Rectangle bounds)
     {
         BufferedImage tsimg = getRawTileSetImage();
@@ -83,7 +83,7 @@ public class UniformTileSet extends TileSet
         return _height;
     }
 
-    // documentation inherited
+    @Override
     protected void toString (StringBuilder buf)
     {
         super.toString(buf);