Use author date to be consistent with other tools (fixes #919)

James Moger

2015-09-18 a592329a82d0a85d33abcc63f08df20b79e8e4f7

 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;

   }