Separate client & server test base classes so that imports don't pull in things that break rhel5 testing
Fix agent test on el5.
m2crpyto on el5 compat.
Remove usage of self.assertIsInstance which is not supported on rhel6
Merge branch 'barnabycourt-build-fixes' of github.com:pulp/pulp into barnabycourt-build-fixes
Merge pull request #812 from pulp/barnabycourt-build-fixes

Add fixes for jenkins builders