Merge pull request #419 from fsharath/fsharath

Fsharath
updated asserts in BugzillaTests.VerifyStartEndDateOfSubscription()
which was failing when a non-TESTDATA subscription with a different
start date is deployed that provides "awesomeos-x86_64"
bumped required python-rhsm version by subscription-manager in
VerifyRpmRequireListForSubscriptionManager_Test
improved repo tests
improved stacking tests
Merge branch 'master' of github.com:RedHatQE/rhsm-qe