As the Ussuri goal we have an OpenStack project wide contributing
documentation template . Nova has its own contributor documentation
so this patch adds the new contributing.rst according to the global
template and links the sections in it to the existing Nova contributor
Also the top level CONTRIBUTING.rst template has been changed in the
cookiecutter repo. So this patch updates the CONTRIBUTING.rst according
to the new template.
Due to the migration of the OpenStack document library, some outdated
links were found during use, using https instead of http and pointing
to the right place.
Replace URLs for workflow documentation to appropriate parts of the
OpenStack Project Infrastructure Manual.
The name of the section 'if you'are developer...' has changed
in the wiki. This commit updates it to correctly refer to
the good section.
GitHub likes repos to have a CONTRIBUTING file. It will use this to
point people to the right place for how to contribute to this project.