site.pp: remove duplicated dependency on /etc/puppet/hiera.yaml.
base.sh: a name server is available by default.
Vagrantfile: do not try to set user/group for the synchronized directories to prevent errors when puppet is not yet installed.
Vagrantfile: no need for setting auto_detect to false for cachier plugin.
common.yaml: comment classes array.
README: simplify workaround for VBox Guest Additions 4.3.10.
rake r10k: fix rights on modules to allow puppet user to read.
puppet.local.lan: configure autosigning for client.local.lan