Updated openstack/openstack
Project: openstack/heat  0de3fe5aba1eed285077d6ef5f9abdfce0975aee
null
Remove dependencies on pep8, pyflakes and flake8

Hacking already pins them to the compatible versions,
so avoid running out of sync by letting hacking
determine the correct code checker versions.

Change-Id: I22151423b7884428d71de364ea81d6ec0a1fdafa
Updated openstack/openstack
Project: openstack/horizon  680c24c79ba79d671de1ac940ac10acae463ea51
null
Replace mimetype with content_type argument of HttpResponse

One occurrence of mimetype remained in the code base. Replace it with
content_type, since mimetype is getting deprecated.

Change-Id: I1bac546bdf41d785deebe3c3df6a9601575983dd
Partially-impelements: blueprint django-1point6
Updated openstack/openstack
Project: openstack/ceilometer  7d6d24cbfa3a02a58e75ae88635c8980ed7847dd
null
StringIO compatibility for python3

StringIO can be replaced with six.moves.StringIO which can provide
compatibility for Python 2 and 3. So does cStringIO.

Change-Id: Ieed1e97f1832e56717bc905114eb73fd6c4c4d04