tree 328b87210e3dd1767aa87be263fd1aae5cb67ce5
parent 9c79845e589c91ea9d390f45990ba160e8465347
author Andrea Frittoli (andreaf) <andrea.frittoli@hp.com> 1444313049 +0100
committer Andrea Frittoli <andrea.frittoli@hpe.com> 1446219130 +0000

Prepare cred_client for migration

Prepare the cred_client module for migration to tempest-lib,
by removing dependencies from config (indirectly via
removing dependencies from the credentials module), and also
by using tempest-lib only exceptions.

Migration to tempest lib canont take place until the idenity
clients are migrated to tempest.

Change-Id: Iad84f84faff71d1e7d7f4fa06b4e467b1d4b94f0