Switch to final 1.1.0 oslo.config release

Fixes bug #1128256

oslo.config has now been released to PyPI in time for Grizzly RC1 so
we can switch to using it directly.

Change-Id: I3bfd60ea7e34feebd8b26c7a4793695dcb77bbba
Add a test to list the security group rules

* Create two rules for the security group.
* List the rules, there are created in the security group.

Fixes bug 1145626

Change-Id: I04924651cf904a9346f6ed31308a60d4c8a17f74
fix the confused issue in server_client about list_server

make list_serve use the correct the url in xml/server_client
and refactor the test_list_server_filters.py

fix bug 1153467

Change-Id: I21165050cee22b5530df0bb834de810906487636
Merge "Switch to final 1.1.0 oslo.config release"
Merge "Add a test to list the security group rules"
Merge "fix the confused issue in server_client about list_server"