Merge pull request #19 from pulp/mhrivnak-builder-el7

updating pulp/cranebuilder for centos7
Automatic commit of package [python-crane] release [0.2.2-0.1.beta].
Do not run unit tests during RPM build

The unit tests depend on external network connectivity to pull down some test
packages outside of RPM deps. This is not allowed in Koji.

The tests run via Travis anyway so this second run is not needed.
Merge pull request #20 from beav/no-check

Do not run unit tests during RPM build
Automatic commit of package [python-crane] release [0.2.2-0.2.beta].
Merge branch 'master' into mhrivnak-summary
review improvements