Style fixes and import pruning. Beware, CheckStyle is (finally) coming to town.

git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@5240 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/java/com/threerings/admin/server/PrefsConfigRegistry.java

@@ -40,6 +40,7 @@ public class PrefsConfigRegistry extends ConfigRegistry
         return new PrefsObjectRecord(path, object);
     }
 
+    /** Stores preferences using the Java preferences system. */
     protected class PrefsObjectRecord extends ObjectRecord
     {
         public PrefsConfig config;