change the stat package name in graph building of hyracks
diff --git a/genomix/genomix-hyracks/src/main/java/edu/uci/ics/genomix/hyracks/util/StatCountAggregateFactory.java b/genomix/genomix-hyracks/src/main/java/edu/uci/ics/genomix/hyracks/graph/util/StatCountAggregateFactory.java
similarity index 98%
rename from genomix/genomix-hyracks/src/main/java/edu/uci/ics/genomix/hyracks/util/StatCountAggregateFactory.java
rename to genomix/genomix-hyracks/src/main/java/edu/uci/ics/genomix/hyracks/graph/util/StatCountAggregateFactory.java
index 26daa96..be34afb 100644
--- a/genomix/genomix-hyracks/src/main/java/edu/uci/ics/genomix/hyracks/util/StatCountAggregateFactory.java
+++ b/genomix/genomix-hyracks/src/main/java/edu/uci/ics/genomix/hyracks/graph/util/StatCountAggregateFactory.java
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package edu.uci.ics.genomix.hyracks.util;
+package edu.uci.ics.genomix.hyracks.graph.util;
 
 import java.io.DataOutput;
 import java.io.IOException;