Updated openstack/openstack
Project: openstack/requirements  e8d2ee9b7369f74dcff95a31034b6a48b850dca5
null
Bump pep8, pyflakes and flake8 versions

Since newer versions of each package can either break
hacking(flake8, pep8) or introduce new rules and because we gate on
the output of hacking, we pin these dependencies to specific versions.

* Set pyflakes to the newest version: 0.8.1
* Set flake8 to to the newest version: 2.1.0
* Set pep8 to 1.4.6, since newer version (1.5.1) breaks hacking and will
  require additional work to support it. Will be addressed in a future
  patch.

Add the new versions along side the old versions so we don't create a
backwards incompatible global requirements change.

To support hacking change: Ia3495102a9d096c09802b9c079a8dc7ec1f65530

Change-Id: I5bebee5af87a75781b840daead61436af0d6ab3a
Updated openstack/openstack
Project: openstack/heat  155314d236b9a9c7c304649c2a19846302fb64dd
null
Expounded on global environments.

Explained that the effective environment used for a stack is the
combination of the user-supplied environment and the provider-supplied
"global" environment.

Change-Id: I0e005dad6efb80a76ecff6337454e2e891e692ca
Partial-Bug: #1297060