Add scritps for building to pulp-2.2 branch
Merge pull request #312 from pulp/barnabycourt-BuildScripts2.2

Add scritps for building to pulp-2.2 branch
999516 - Block plugin tests from running on RHEL 5
999516 - Block plugin tests from running on RHEL 5
999516 - Block plugin tests from running on RHEL 5
Merge pull request #313 from pulp/barnabycourt-999516

Barnabycourt 999516
switched from revent downloader to threaded downloader in yum importer
Merge pull request #315 from pulp/jconnor-threaded-downloader-2.2

Jconnor threaded downloader 2.2
Merge branch 'pulp-2.2'