When use tacker create a resource like 'vnffgd-create, vnffg-create,
vnfd-create' .etc. with long name, the server will response a
"internal server error". So we set the NAME_MAX_LEN for resource
name in the "RESOURCE_ATTRIBUTE_MAP".
Change-Id: I3217dec158fdaba415e712f4e4a10468ad2f8ab5
closes-Bug: #1734010