Review JSDoc in v17 hapi definitions

[rafaelsouzaf]

Following the advices of @SimonSchick, it's necessary to review all the JSDoc's of the hapi v17 TS definition.

• Review JSDoc in v17 hapi definitions #2 (comment)
• Review JSDoc in v17 hapi definitions #2 (comment)
• Review JSDoc in v17 hapi definitions #2 (comment)
• Review JSDoc in v17 hapi definitions #2 (comment)
• Add links to the api docs where is missing.
• Add @param @return @etc where is missing.