Updated to use the debian apt-get repo for install jenkins.
Adds jenkins job manifest.
Adds default node to provision a ami jenkins slave.
Formatting updates for the roles ruby manifest.
Configures the apt-get update to run first before any other package is installed.
Setup vagrant file to build jenkins ci boxes.
Changed rbenv module to clone via http instead of git protocol.
Adds allow 8080 firewall rule to connect to a vagrant running jenkins ci server.
Adds jenkins module level variables.