Updated openstack/openstack
Project: openstack-dev/devstack  5853160c6e0a0c7601beea122d5f690ca6bba082

Simplify docs build

Remove unnecessary old code from tools/build_docs.sh; it now only builds
docs for the current branch in the current working directory.

Fix the merging if the git log changes into changes.html.

Change-Id: I965dc3383b6317807ca0d47fe42648a19e96b57b