Add Grafico charts to the TestCaseReport

To help visualize the ways the test suite is running against the
specifications.

Change-Id: I9f50bb5fbcef1f0e884f2b91c2eac0831fec922a
Signed-off-by: ttsanton <ttsanton@us.ibm.com>
Merge pull request #44 from ttsanton/master

Add Grafico charts to the TestCaseReport