Emilien Macchi c0318f0e1b Refactorise Keystone resources management
Refactorise the code of Keystone resources management with backward
compatibility since we don't modify the unit tests.

Change-Id: Iafbe248ef0314b8abc31d22a7631df51e23f2c48
Implements: blueprint common-openstack-identity-resource
2014-11-21 10:12:40 -05:00
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