Pass run_test.sh arguments to run_ceph_tests.py
Pass run_test.sh arguments to run_ceph_tests.py

We are already passing arguments to nosetests for non ceph functional
tests, this change does the same for run_ceph_tests.py.

Change-Id: I7c54fddb98871ed3a6437a457dcf775d91f0ed45

swiftstack/swift3-stackforge,stackforge/swift3,swiftstack/swift3-stackforge,stackforge/swift3