[requirement] RFE for multiple python-*clients

Hi, this is kind of a late, formal bulk request of Requirements Freeze Exception for the following deliverables. Neither of them introduces big changes, rather some tox related gate fix and other minimal changes: * python-muranoclient * python-solumclient * python-heatclient * python-swiftclient * python-keystoneclient * python-saharaclient * python-freezerclient * python-monascaclient The exception is the following deliverable as this has many changes, features, bugfixes in its release: * python-openstackclient Thanks, Előd Illés irc: elodilles @ #openstack-release