Fix permisssions for elasticsearch
Fix permisssions for elasticsearch

Without this you can end up with ES working the first time you install
but after a reboot it won't start again

romspacenut/elasticsearch-formula,romspacenut/elasticsearch-formula,romspacenut/elasticsearch-formula,ministryofjustice/elasticsearch-formula,ministryofjustice/elasticsearch-formula,ministryofjustice/elasticsearch-formula