Add v1 distributions dir to clean up
 Adding support for ISO filesystem upgrade
fix the distribution location in v2
fixing issues from PR
Merge pull request #267 from pulp/prad-v1-upgrade-publish

 Adding support for ISO filesystem upgrade
Merge remote-tracking branch 'upstream/jdob-v1-upgrade' into jdob-v1-upgrade
Automatic commit of package [pulp] release [2.1.8-1].