Added setting to control length of abbreviated commit hash id

James Moger

2012-11-06 798581cab5817310a1b9991dac3b10cd7813f86a

 src/com/gitblit/utils/ObjectCache.java

@@ -91,4 +91,8 @@
      }

      return null;

   }

	
   public int size() {

      return cache.size();

   }

}