Updated root partition size recomendation in initial install docs
Updated root partition size recomendation in initial install docs

a2o/puppet-modules-a2o-essential,a2o/puppet-modules-a2o-essential,a2o/puppet-modules-a2o-essential,a2o/puppet-modules-a2o-essential,a2o/puppet-modules-a2o-essential,a2o/puppet-modules-a2o-essential