Updated from global requirements

Change-Id: I4a932bbccd2a922dc593839ea9793700879faccd
Update python-keystoneclient reference

HACKING.rst has a python-keystoneclient reference.

Change-Id: If9603b604b4cb5b863d323a156926610234f09db
Adds space after # in comments

This was making some pep8 checkers to fail.

Change-Id: I50a0eba22fa40e075e019477b9a97630785a9dc5
Merge "Updated from global requirements"
Merge "Adds space after # in comments"
Merge "Update python-keystoneclient reference"