wrong project name in run_tests.sh usage

[Lingxian Kong]

root@mistral:/vagrant/mistral# ./run_tests.sh -h
Usage: ./run_tests.sh [OPTION]...
Run Neutron's test suite(s)

  -V, --virtual-env Always use virtualenv. Install automatically if not present
  -N, --no-virtual-env Don't use virtualenv. Run tests in local environment
  -s, --no-site-packages Isolate the virtualenv from the global Python environment

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/155224

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/155224
Committed: https://git.openstack.org/cgit/stackforge/mistral/commit/?id=9ab59e2febbe606e1426e29ab222d7835ad425ee
Submitter: Jenkins
Branch: master

commit 9ab59e2febbe606e1426e29ab222d7835ad425ee
Author: Lingxian Kong <email address hidden>
Date: Thu Feb 12 16:23:19 2015 +0800

    Fix the wrong project name in run_tests.sh usage

    s/Neutron/Mistral

    Change-Id: I8202aa4f1eed4ee5fb1422fbd2ccaed18fc453f5
    Closes-Bug: #1421090