Replaces mox with mock for conductor unit tests

OpenStack is moving to use mock instead of mox for unit tests
in order to be ready for python 3. This patch changes the
test cases for conductor from using mox to mock.

Change-Id: If8e97a2af483540c3931ecd1fb7f06a529b3a370
Replaces mox with mock in objects' unit tests

OpenStack is moving unit tests from mox to mock for python3.3 compatibility.
This replaces mox with mock in objects' unit tests.

Change-Id: I907b421f4928206352c2da0d4ecf46016ef66dfe
Replaces mox with mock for test_deploy_utils

OpenStack is moving to use mock instead of mox for unit tests
in order to be ready for python 3. This patch changes the
test cases for deployment utils from using mox to mock.

Change-Id: I90bf90310a955a8797dd884e9846f8aeb07524e0
Merge "Replaces mox with mock in objects' unit tests"
Merge "Replaces mox with mock for test_deploy_utils"