Update the nrpe config to use the current version
Update the nrpe config to use the current version

The currently installed version of the NRPE plugin is 2.15, the current
configuration is a copy of a much older sample. This updates the file to
use the latest with current comments and settings.

alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet