S3 pull from source by default should be false
one more place to set S3 PFS default
Merge pull request #112 from arkadykanevsky/pull-req-release-mesa-1.6-master-8ae0d30b73497b804209dd41a012e2f19ca847c7

https://github.com/crowbar/barclamp-swift/pull/112

Merged by devtool for ArkadyKanevsky