anchor.diff:      + count (optional, `number`) ...  Number of results for pagination
   + Request (application/json)
           {
  +            "SERVICE_NAME":"defaultservice",
  +            "SERVICE_ADMIN_USER":"admin",
  +            "SERVICE_ADMIN_PASSWORD":"pwd",
  +            "SERVICE_ADMIN_TOKEN":"token",
               "START_INDEX":"10",
               "COUNT":"10",
           }
  
positive.code:             ]
          }
  
  ### Create Users [POST]
  + Request (application/json)
          {
              "NEW_SERVICE_USER_NAME":"user_name_new",
              "NEW_SERVICE_USER_PASSWORD":"password",
              "NEW_SERVICE_USER_EMAIL":"email@email.com",
              "NEW_SERVICE_USER_DESCRIPTION":"user description"
          }
  
negative.code:           ]
          }
  
  
  ### update an user (by his admin) [PUT]
  + Request (application/json)
          {
               "SERVICE_NAME":"defaultservice",
               "SERVICE_ADMIN_USER":"admin",
               "SERVICE_ADMIN_PASSWORD":"pwd",
               "SERVICE_ADMIN_TOKEN":"token",
               "USER_NAME":"user_name",
               "USER_DATA_VALUE": { "emails": [ {"value": "test@gmail.com"}],
                                    "name": "new user name",
                                    "description": "new user description",
                                    "password": "new user password"
                                   }
          }
  + Response 200
  
  
  ### change user password by himself [POST]
  + Request (application/json)
          {
               "SERVICE_NAME": "defaultservice",
               "SERVICE_USER_TOKEN": "token",
               "SERVICE_USER_NAME": "username",
               "SERVICE_USER_PASSWORD": "old_pwd",
               "NEW_USER_PASSWORD": "new_pwd"
          }
  + Response 200
  
  
  ### delete an user [DELETE]
  + Request (application/json)
          {
              "SERVICE_NAME":"defaultservice",
              "SERVICE_ADMIN_USER":"admin",
              "SERVICE_ADMIN_PASSWORD":"pwd",
              "SERVICE_ADMIN_TOKEN":"token",
              "USER_NAME":"user_name"
  
          }
  + Response 204
  
  
  ## Trust Token [/v1.0/service/{serviceId}/trust]
  
  ### Create Trust Token [POST]
  + Request (application/json)
          {
              "SERVICE_NAME":"defaultservice",
              "SUBSERVICE_NAME":"DemoSubService",
              "SUBSERVICE_ID":"2342342342dfhjghjty34",
              "SERVICE_ADMIN_USER":"admin",
              "SERVICE_ADMIN_PASSWORD": "pwd",
              "SERVICE_ADMIN_TOKEN": "token",
              "ROLE_NAME":"ServiceCustomer",
              "ROLE_ID":"SDFG93hdg350J34534K5",
              "TRUSTEE_USER_NAME":"iotagent",
              "TRUSTEE_USER_ID":"34563fghfgh5ASDFASD6347",
              "TRUSTOR_USER_NAME":"admin",
              "TRUSTOR_USER_ID":"45674ASDFAghjghjSDF5674567",
          }
  + Response 201 (application/json)
      + Body
          {
              "ID_TRUST": "147562fcd773448aac3dd53748a43b0c"
          }
  
  
  ## Stats [/v1.0/version]
  
  ### Get Version, Uptime and API stats [GET]
  + Response 201 (application/json)
      + Body
        {
           "uptime": "2015-11-02T08:15:35.166",
           "version": "0.5.1",
           "API_stats": {
              "num_post_device": 3,
              "num_delete_user": 40,
              "num_get_role": 20,
              "num_delete_subservice": 330,
              "num_get_service": 30,
              "num_post_trust": 30,
              "num_put_service": 30,
              "num_post_roleassignment": 50,
              "num_post_userlist": 203,
              "num_delete_service": 20,
              "num_delete_role": 30,
              "num_post_subservice": 30,
              "num_post_entity_service": 10,
              "num_get_subservice": 30,
              "num_post_devices": 30,
              "num_post_user": 40,
              "num_get_user ": 20,
              "num_put_user": 10,
              "num_get_roleassignment": 20,
              "num_get_userlist": 20,
              "num_post_service": 20,
              "num_delete_roleassignment": 10,
              "num_post_role": 10,
              "num_delete_device": 10,
              "num_put_subservice": 10
            }
         }
  
  