Fix JSON In Output for Configuration Groups
Fix JSON In Output for Configuration Groups

the configuration-group values will now correctly show as json
before: {'key': True}, after:  {"key": true}

Change-Id: I824c73e96da8e7ec52fc020db8f22e7e8d7b7d18
Closes-Bug: #1290200

metacloud/python-troveclient,metacloud/python-troveclient,openstack/python-troveclient,Tesora/tesora-python-troveclient,openstack/python-troveclient,Tesora/tesora-python-troveclient