Changed a bunch of Thread.dumpStack() calls into stack traces properly logged

via the logging system.


git-svn-id: svn+ssh://src.earth.threerings.net/nenya/trunk@788 ed5b42cb-e716-0410-a449-f6a68f950b19

src/java/com/threerings/jme/sprite/Sprite.java

@@ -162,8 +162,7 @@ public class Sprite extends Node
     {
         if (_path == null) {
             log.warning("pathCompleted() called on pathless sprite " +
-                        "(re-completed?) [sprite=" + this + "].");
-            Thread.dumpStack();
+                        "(re-completed?) [sprite=" + this + "].", new Exception());
             return;
         }