add the support for customized partitioner
diff --git a/pregelix/pregelix-example/src/test/resources/jobs/ConnectedComponentsRealComplex.xml b/pregelix/pregelix-example/src/test/resources/jobs/ConnectedComponentsRealComplex.xml
index 46444b3..f510b7f 100644
--- a/pregelix/pregelix-example/src/test/resources/jobs/ConnectedComponentsRealComplex.xml
+++ b/pregelix/pregelix-example/src/test/resources/jobs/ConnectedComponentsRealComplex.xml
@@ -137,6 +137,7 @@
<property><name>pregelix.vertexOutputFormatClass</name><value>edu.uci.ics.pregelix.example.ConnectedComponentsVertex$SimpleConnectedComponentsVertexOutputFormat</value></property>
<property><name>mapred.reduce.copy.backoff</name><value>300</value></property>
<property><name>mapred.map.tasks.speculative.execution</name><value>true</value></property>
+<property><name>pregelix.partitionerClass</name><value>edu.uci.ics.pregelix.api.util.DefaultVertexPartitioner</value></property>
<property><name>mapred.inmem.merge.threshold</name><value>1000</value></property>
<property><name>hadoop.logfile.size</name><value>10000000</value></property>
<property><name>pregelix.vertexInputFormatClass</name><value>edu.uci.ics.pregelix.example.inputformat.TextConnectedComponentsInputFormat</value></property>
diff --git a/pregelix/pregelix-example/src/test/resources/jobs/MaximalClique3.xml b/pregelix/pregelix-example/src/test/resources/jobs/MaximalClique3.xml
index ee13335..43c6dd1 100644
--- a/pregelix/pregelix-example/src/test/resources/jobs/MaximalClique3.xml
+++ b/pregelix/pregelix-example/src/test/resources/jobs/MaximalClique3.xml
@@ -135,6 +135,7 @@
<property><name>pregelix.vertexOutputFormatClass</name><value>edu.uci.ics.pregelix.example.maximalclique.MaximalCliqueVertex$MaximalCliqueVertexOutputFormat</value></property>
<property><name>mapred.reduce.copy.backoff</name><value>300</value></property>
<property><name>mapred.map.tasks.speculative.execution</name><value>true</value></property>
+<property><name>pregelix.partitionerClass</name><value>edu.uci.ics.pregelix.api.util.DefaultVertexPartitioner</value></property>
<property><name>mapred.inmem.merge.threshold</name><value>1000</value></property>
<property><name>hadoop.logfile.size</name><value>10000000</value></property>
<property><name>pregelix.vertexInputFormatClass</name><value>edu.uci.ics.pregelix.example.maximalclique.TextMaximalCliqueInputFormat</value></property>
diff --git a/pregelix/pregelix-example/src/test/resources/jobs/PageRankRealComplex.xml b/pregelix/pregelix-example/src/test/resources/jobs/PageRankRealComplex.xml
index 314ca55..3f74cfb 100644
--- a/pregelix/pregelix-example/src/test/resources/jobs/PageRankRealComplex.xml
+++ b/pregelix/pregelix-example/src/test/resources/jobs/PageRankRealComplex.xml
@@ -137,6 +137,7 @@
<property><name>pregelix.vertexOutputFormatClass</name><value>edu.uci.ics.pregelix.example.PageRankVertex$SimplePageRankVertexOutputFormat</value></property>
<property><name>mapred.reduce.copy.backoff</name><value>300</value></property>
<property><name>mapred.map.tasks.speculative.execution</name><value>true</value></property>
+<property><name>pregelix.partitionerClass</name><value>edu.uci.ics.pregelix.api.util.DefaultVertexPartitioner</value></property>
<property><name>mapred.inmem.merge.threshold</name><value>1000</value></property>
<property><name>hadoop.logfile.size</name><value>10000000</value></property>
<property><name>pregelix.vertexInputFormatClass</name><value>edu.uci.ics.pregelix.example.inputformat.TextPageRankInputFormat</value></property>