HBASE-11731 Add option to only run a subset of the shell tests (Sean Busbey)
HBASE-11731 Add option to only run a subset of the shell tests (Sean Busbey)

Amending-Author: Andrew Purtell <b91237ce35d325aea9eacb2c17af89139c6c9289@apache.org>

ibmsoe/hbase,ibmsoe/hbase,ibmsoe/hbase,ibmsoe/hbase,ibmsoe/hbase,ibmsoe/hbase,ibmsoe/hbase,ibmsoe/hbase,ibmsoe/hbase,ibmsoe/hbase