client does not show version

add support for --version
update openstack.common to bring in latest openstack.common.version

Change-Id: Ic1e66ea1f1aa65039b79902b893d1b2474ecb63e
Fixes:bug1177573
Fix manifest (README.rst -> README.md)

and remove HACKING (we don't have one)

Change-Id: I12b219f3a2f5d9da580f3a827d40b351e57f6b35
Remove unused test code in test_util.py

This doesn't seem to do anything

Change-Id: Ieba6b5f7229680146f9b3f2ae2f3f2d2b1354376
Fix pep8 errors in test code

Change-Id: Ib38ff406a9edae8a8eea97744f5693c00d76a483
Use the utils.BaseTestCase for all tests

Change-Id: I411fa9a60122cef6f9d5f723497a2d9427f5624e
Update oslo code and split the module lines

Change-Id: I2d9f4b9ac585d91c2d7651db96c9440ff683e0ef
Merge "client does not show version"