We now need at least 1.3 and people really should use 1.4
We no longer use puppet 2.7 so shouldnt see these errors anymore.
We now use script which catches these errors.

See https://github.com/alphagov/vagrant-govuk/commit/4cecc18d543c15c43040527d5cd67d04ac4d30e8
Suggest using VAGRANT_GOVUK_NFS=no

To fix NFS mounting problems.
Merge pull request #14 from alphagov/doc_fix

Several updates to the readme.