Update the Glance CLI doc for version 0.14.2

The glance CLI version 0.14.2 was released on Nov. 10, 2014 and the CLI
doc was not updated at the same time.

See https://pypi.python.org/pypi/python-glanceclient
and the 'Image Service command-line client' section of
http://docs.openstack.org/cli-reference/content/

The glance CLI doc has been updated to version 0.14.2 to include the new
'--profile HMAC_KEY HMAC' option.

Change-Id: Id83c23ffcd44ca49dcecefc605ed24befa0db661
Closes-Bug: #1396229
Merge "Update the Glance CLI doc for version 0.14.2"