HBASE-9185 mvn site target fails when building with Maven 3.1

git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.95@1512815 13f79535-47bb-0310-9956-ffa450edef68
HBASE-9155 Enhance LoadTestTool to support updates

git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.95@1512818 13f79535-47bb-0310-9956-ffa450edef68