Josh Cummings 7c524aa0c8 Jwt Claim Validation
This introduces OAuth2TokenValidator which allows the customization of
validation steps that need to be performing when decoding a string
token to a Jwt.

At this point, two validators, JwtTimestampValidator and
JwtIssuerValidator, are available for use.

Fixes: gh-5133
2018-08-16 13:19:26 -05:00
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2018-08-16 13:19:26 -05:00