These weak type errors were not caught in TS 2.4 RC. The final TS 2.4
will catch weak type errors with primitives, so this PR fixes those
now-caught errors.
* [Boom] Add default generic type to all error creation functions
* [Boom] Change default generic Data type to any instead of null
* [Boom] Add tests for error creation without custom data
* [Boom, Hapi] Move tests for passing Boom errors to Hapi continuation functions into hapi package
* [boom] add wrap and unauthorized return BoomError with data as null
* [Hapi] Fix input and response validation function signatures
Fixes#16750
* [Hapi] Allow custom validation options in route input and response
* [Hapi] Adjust validation contexts to match Hapi version 16.1.1
* [Hapi] Adjust test/route/validate.ts to match newest changes
* [Hapi] Add custom options to response validation test
* [Hapi] Update TypeScript version to 2.3 in packages that import Hapi
* [Hapi] Clarify documentation on validation function value, allow null