Fix for Bug 1154326.  Adds HTTP support for the initial package fetch.
(https://bugs.launchpad.net/openstack-cisco/+bug/1154326)
Switch to "folsom" instead of "folsom-proposed" for production environments.
Merge remote-tracking branch 'upstream/multi-node' into multi-node
Remove proxy related stuff so we do it via environmental variables only.
Remove proxy variable verbage from comments.
Merge pull request #47 from markvoelker/multi-node

Fix for Bug 1154326.  Adds HTTP support for the initial package fetch.