code: public ConsulResponse<List<ServiceHealth>> getAllNodes(String service,
                                                             final String datacenter, final String tag) {
          return getAllNodes(service, datacenter, tag, RequestOptions.BLANK);
      }
docs: Retrieves the healthchecks for all nodes in a given datacenter.
  <p>
  GET /v1/health/service/{service}?dc={datacenter}
  
  @param service    The service to query.
  @param datacenter datacenter
  @param tag        tag
  @return A {@link io.advantageous.consul.domain.ConsulResponse} containing a list of
  {@link io.advantageous.consul.domain.HealthCheck} objects.