Glance client no longer isa http client

If the client has-a http_client, then is must not be an is-a.  This has been tested with the current version of glanceclient and the master branch.

Closes-Bug: #1269821
Change-Id: I14d67eb094bfb4c2dbc07106343488298b6a9409
Rename Openstack to OpenStack

Change-Id: I9e5b245141290a4b642900fbc46b98bd4f44c321
Python 3: the content of a FakeResponse must be bytes

Encode '_content' if necessary.

Change-Id: I25c1e1cd5330f0519bf062be840045d0ef520b28
Merge "Glance client no longer isa http client"
Update oslo incubator bits

* update gettextutils.py, strutils.py, install_venv_common.py
* remove cfg.py, openstackkeyring

oslo-incubator commit 630d3959b9d001ca18bd2ed1cf757f2eb44a336f

Change-Id: I0ae9b9dc72ec88ed64a8c353b9c51734ee2cd24c
Merge "Rename Openstack to OpenStack"
Merge "Update oslo incubator bits"
Add ability to prompt for passwords for user create and set

* Add get_password method to the utilities
* Add --password-prompt option
* Call the get_password method if a prompt is requested
* Various tests

Change-Id: I1786ad531e2a2fbcc21b8bc86aac0ccd7985995a
Closes-Bug: 1100116
Merge "Add ability to prompt for passwords for user create and set"