* It merges the intree freezer tempest plugin to a the newly
seperated repo freezer-tempest-plugin
* Moves freezer/tests/integration/common.py to under freezer-tempest-plugin
as it is consumed in tests/api/base.py .
* Excluding freezer/tests/freezer_tempest_plugin/tests/api/test_version.py
as it is dependent on freezer project and it should be moved under
integration tests.
Change-Id: I6967f915758728827e8ddcd1a45a7023904b694e
Caihui