Also remove the tools directory, since it is no longer used, now that
https://review.openstack.org/30887 is merged, which renamed the
requirements files to requirements.txt and test-requirements.txt.
Fixes bug 1186625
Change-Id: Icf1ef1d2d83140420163c25257d4802282063cfa
Fix MANIFEST.in to include tools/, tox.ini and test/sample.conf
in generated tarballs. Fixes bug 960018 and bug 1005801.
Change-Id: Ifa83eab62300e3aec71ced217dc3cdcb2846ea0e
Fix MANIFEST.in to include all files in released tarballs.
Note that tools/rfc.sh is ignored since it's only for (deprecated)
gerrit support. Fixes bug 912193.
Change-Id: Ic9952220a67d5583e639fcb9e74f472dd9f0fdef