HBASE-8031 Adopt goraci as an Integration test

git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.94@1456284 13f79535-47bb-0310-9956-ffa450edef68
HBASE-8085 Backport the fix for Bytes.toStringBinary() into 94 (HBASE-6991) (Tianying Chang)

git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.94@1456306 13f79535-47bb-0310-9956-ffa450edef68