fixed installSubscriptionManagerRPMs for RHEL7 to run systemctl instead
of service
"Pool Id:" changed to "Pool ID:" for RHEL7
embedded an assertion test for BUG_858286 in
createSubscriptionsWithVariationsOnProductAttributeSockets()
embedded new interactive prompting for missing organization in
AttemptRegisterToEnvironmentWithoutOrg_Test
added PYTHONIOENCODING=ascii as needed before call to register
commented out row from dataProvider due to interactive org prompting
getAttemptRegistrationWithInvalidCredentials_TestDataAsListOfLists()
workaround for bug 878657; remove assertion from yumClean(...) for rhel7
updated candlepin-latest-tag to grep for 0.7
makewhatis is deprecated by mandb in rhel7+ and f14+