Support for VMWare integration
Merge pull request #212 from mjura/release/stoney/vmware-support

Support for VMWare integration
switch to using KeystoneHelper.keystone_settings

the new KeystoneHelper should take care of retrieving
service_user/service_password so we don't have to have a separate helper
for that in the glance cookbook
Merge pull request #211 from mapleoin/keystone_settings

switch to using KeystoneHelper.keystone_settings