integers coming from hiera don't get converted to strings and these regexes fail. unfortunately, this is the only workaround
managehome needs to be true, so the git user's home dir inerherits a sane bashrc/profile from skel
curl gets ensured by rbenv already and postfix being ensured isnt ideal. removing these to work around duplicate declaration issues prior to https://github.com/sbadia/puppet-gitlab/issues/102 being merged