Moved jenkins manifests around, linted, better style, slave default in init.pp
Reformat for Puppet style nodeless site definition.
Resolved resource dependencies, home folder created by default
Pull iptables file from proper location
Added jenkins SSH key for slave.
Updated readme, manifests.

better naming of roles

Removed line breaks
Updated Readme.
Removed the extra lines for long urls
Merge pull request #5 from rackerlabs/jenkins_manifest_refactor

Manifest in Puppet Style, base init.pp is environment only