PEP-8 pulp.server.common.openssl and its tests.
1166703 - builder.py now checks to make sure master isn't checked out.

Building master is still allowed if the --scratch flag is used, or if
you use the new --build-master flag.
Merge pull request #1387 from jeremycline/1166703

1166703 - builder.py now checks to make sure master isn't checked out.
Added pulp-admin client commands for refreshing content sources
Merge pull request #1379 from dkliban/2.6-dev

Refresh Content Sources CLI
Merge branch 'pep8-openssl' into 2.6-dev
Merge branch '2.6-dev'