Add boilerplate for easy, local, documentation testing.

Change-Id: I5386b4e1f05a30b051d81eaca557c93ede198b51
Signed-off-by: James Shubin <james@shubin.ca>
Reviewed-on: http://review.gluster.org/6506
Reviewed-by: Vijay Bellur <vbellur@redhat.com>
Tested-by: Vijay Bellur <vbellur@redhat.com>