John Griffith 2e58e73a0c Update run_tests and bring back colorizer.
This patch adds output of tests and their results to run_tests.sh.
It also brings back colorizer to the output and updates the test-requirements.

Should align with cinder changes that are in progress
at: https://review.openstack.org/#/c/30291/

Change-Id: I3df6d861f4b4d4355464ceb2d507e69bcf682fbe
2013-05-31 13:45:13 -06:00
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