Update rtcs and test_tools

Merge pull request #73 from redhat-performance/rerun

Update error codes to be more specific.

Use TEST_TOOLS properly

Use test tools properly.

time stamps in csv file.

Merge pull request #69 from redhat-performance/add_timestamps

Add timestamp to csv file, and switch from : to ,

Save test results to openmetric file

Save the results of the test into pcp openmetric file.

Use package_tool

Use the package tool to install required packages.

Removal of pbench, add pcp

Merge pull request #63 from redhat-performance/fix-reported-metric

Changed CSV metric heading from "test passes" to "iters/sec".

Add verification test

Add automated verification testing.

License fix

Add GPL license.

Fix erroneous data reporting

We can end up reporting old data, this rectifies that issue.

Add meta data to results file.

Merge pull request #41 from redhat-performance/add_meta

Adding metadata to coremark wrapper.