Add a set of equivalent paths for coverage for use with testing jenkins

test_root/.jenkins-coveragerc

 [paths]
-source =
+build_jenkins_source =
     /home/jenkins/workspace/edx-platform-unit-coverage
     /home/jenkins/workspace/edx-platform-test-subset
+
+test_jenkins_source =
+    /home/jenkins/workspace/test-edx-platform-unit-coverage
+    /home/jenkins/workspace/*test-edx-platform-test-subset