Moving Barclamp specific docs from general Wiki into respective Barclamp doc directory [3/8]

This pull request moves Barclamp specific documentation from the general Crowbar Wiki to each Barclamp's specific doc.


 .../barclamps/openstack/Glance--barclamp.creole    |   84 ++++++++++++++++++++
 1 file changed, 84 insertions(+)

Crowbar-Pull-ID: a11c5f6a401c4ce6f1ef707ae2301fb7c46e1d5e

Crowbar-Release: development