package_update command is broken

[Nikolay Starodubtsev]

Client `package_update` command is broken. Here is output from console:
Traceback (most recent call last):
  File "/home/kezar/.local/bin/murano", line 10, in <module>
    sys.exit(main())
  File "/home/kezar/wrk/murano-project/python-muranoclient/muranoclient/shell.py", line 512, in main
    MuranoShell().main(args)
  File "/home/kezar/wrk/murano-project/python-muranoclient/muranoclient/shell.py", line 471, in main
    args.func(client, args)
  File "/home/kezar/wrk/murano-project/python-muranoclient/muranoclient/v1/shell.py", line 635, in do_package_update
    mc.packages.update(args.id, data)
  File "/home/kezar/wrk/murano-project/python-muranoclient/muranoclient/v1/packages.py", line 126, in update
    return self.api.json_patch_request(url, data=data)
  File "/home/kezar/wrk/murano-project/python-muranoclient/muranoclient/common/http.py", line 338, in json_patch_request
    method, url, content_type=content_type, **kwargs)
  File "/home/kezar/wrk/murano-project/python-muranoclient/muranoclient/common/http.py", line 333, in json_request
    return self.request(url, method, **kwargs)
  File "/home/kezar/wrk/murano-project/python-muranoclient/muranoclient/common/http.py", line 312, in request
    **kwargs)
  File "/home/kezar/.local/lib/python2.7/site-packages/keystoneclient/adapter.py", line 206, in request
    resp = super(LegacyJsonAdapter, self).request(*args, **kwargs)
  File "/home/kezar/.local/lib/python2.7/site-packages/keystoneclient/adapter.py", line 95, in request
    return self.session.request(url, method, **kwargs)
  File "/home/kezar/.local/lib/python2.7/site-packages/keystoneclient/utils.py", line 337, in inner
    return func(*args, **kwargs)
  File "/home/kezar/.local/lib/python2.7/site-packages/keystoneclient/session.py", line 390, in request
    resp = send(**kwargs)
  File "/home/kezar/.local/lib/python2.7/site-packages/keystoneclient/session.py", line 424, in _send_request
    resp = self.session.request(method, url, **kwargs)
TypeError: request() got an unexpected keyword argument 'content_type'

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/262517

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/262517
Committed: https://git.openstack.org/cgit/openstack/python-muranoclient/commit/?id=26f1151d0637c1d184851357b4f440f17a747693
Submitter: Jenkins
Branch: master

commit 26f1151d0637c1d184851357b4f440f17a747693
Author: Nikolay Starodubtsev <email address hidden>
Date: Wed Dec 30 16:52:12 2015 +0300

    Repair package-update command

    During enabling keystone v3 support we encountered some problems with
    package-update command. The cause that murano wants to operate with
    application/murano-packages-json-patch type and try to pass through
    keystone adapter which cause some errors.

    Change-Id: I9b4368c0d1f1546299ebf880c17c044239f6fbb1
    Closes-Bug: #1530077