upgrade librarian-puppet script

Signed-off-by: Sebastien Varrette <sebastien.varrette@uni.lu>
add default Puppetfile

Signed-off-by: Sebastien Varrette <sebastien.varrette@uni.lu>
restore default puppetfile, now as symlink

Signed-off-by: Sebastien Varrette <sebastien.varrette@uni.lu>
update librarian script

Signed-off-by: Sebastien Varrette <sebastien.varrette@uni.lu>
update README

Signed-off-by: Sebastien Varrette <Sebastien.Varrette@uni.lu>
update

Signed-off-by: Sebastien Varrette <sebastien.varrette@uni.lu>
Merge branch 'devel' of github.com:Falkor/vagrant-vms into devel

* 'devel' of github.com:Falkor/vagrant-vms:
  update README
Merge remote-tracking branch 'falkor/devel' into devel

Conflicts:
	puppet/Puppetfile
	scripts/core/librarian-puppet.sh