Added logging for empty group sync.

Alfred Schmid

2014-02-03 03c0191b65c68dc6be3da0e0056bcb3cbc6e9cef

 src/main/java/com/gitblit/utils/ObjectCache.java

@@ -54,6 +54,10 @@
      }

   }



   public void clear() {

      cache.clear();

   }



   public boolean hasCurrent(String name, Date date) {

      return cache.containsKey(name) && cache.get(name).date.compareTo(date) == 0;

   }