run_tests.sh had an option to delete tests.sqlite, but that file is not
used anymore so the run_test options don't do anything.
Change-Id: I1abb257579da34c9dd7698543d8297268276bbc5
Rename tools/pip-requires to requirements.txt and tools/test-requires
to test-requirements.txt. These are standard files, and tools in the
general world are growing intelligence about them.
Change-Id: I68ece8406fb1d4e082a42db8e76e17b1aaa7e775
Fixes: bug #1179008
Documented how to run unit tests
Added docs about what's on Launchpad
Added docs on Gerrit with pointers to wiki.
Added docs on Jenkins: how to access, what it does
Clarified that running unit tests doesn't mean you can fully run OpenStack.
Change-Id: I33fa9d2f271631a1a9aceaa5d4fd465198bf51d4