anchor.diff:  == Update one Metric
   
   * Method PUT
  -* Url-Template  /{tenant}/resource/{rid}/metric/{mid}
  +* Url-Template  /{tenant}/resources/{rid}/metrics/{mid}
   * Payload: One `MetricDefinition`
   
   [source]
  
positive.code: == Delete Resource
  
  * Method DELETE
  * Url-Template /{tenant}/resource/{id}
  
  
  == List Resources by Type
  
negative.code: == Get one Metric
  
  * Method GET
  * URL-Template /{tenant}/resources/{rid}/metrics/{mid}
  
  Example:
  
  [source,shell]
  ----
  $ curl -i http://localhost:8080/hawkular/inventory/rest-test/resources/x1422867147296/metrics/cpu.load1
  HTTP/1.1 200 OK
  Connection: keep-alive
  X-Powered-By: Undertow/1
  