Include known hosts file for cloning from github.
Enable ssh agent forwarding.
Add role for updating/upgrading.
Add role for installing base packages/
  Install git.
Add role for installing shells and related software.
Add role for setting up dotfiles.
Update sshd config on iso (PermitUserEnvironment).
Add role for installing node.
Add role for installing ruby.
Add role for installing vim.
Split out users role.
Add task for creating default directories.
Add role for setting up a development environment.
Add role for installing system monitoring tools.
Add role for installing user applications.
Add role for configuring elementaryOS specific tweaks.