editorial changes from mike
added internationalized client name to examples, closes #72
removed client_secret_jwt and private_key_jwt, closes #69
clarified policy_uri and tos_uri
parameter registry and other updates from Mike
added hash-fronted temp files to gitignore
Started client lifecycle section
Merge branch 'mbj-registry', closes #70
added client lifecycle discussion, closes #74, closes #67
spellcheck
uri must point to valid resources, closes #71