Fix 2 possible NullPointer occurences

marco

2015-10-17 1aec17636d8c548257cb307f8cc1e41354e00421

 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);

   }

}