Fix intermittent NPE in getting commit date in RefModel

James Moger

2014-04-08 4263c2da123d241a7d0fe11e777b7bc80dae4af7

 src/main/java/com/gitblit/models/ServerSettings.java

@@ -58,4 +58,8 @@
   public boolean hasKey(String key) {

      return settings.containsKey(key);

   }



   public SettingModel remove(String key) {

      return settings.remove(key);

   }

}