Consolidates the functional API test cases into /glance/tests/functional/test_api.py, adds a new Swift functional test case, verified that it works on Cloud Files with a test account. (180)

Consolidates the functional API test cases into /glance/tests/functional/test_api.py, adds a new Swift functional test case, verified that it works on Cloud Files with a test account. (180) · Gerrit Code Review