updated dependencies
updated dependencies for qs
workaround for obsolete temp module 0.6
Merge pull request #779 from jrgm/why-failing

workaround for obsolete temp module 0.6
changed nonceFunc skew logging to trace level
added a default uid to request.summary lines. fixes #755
train-19
Add a limit to the number of in-flight scrypt hashes.
Merge pull request #783 from mozilla/rfk/max-pending-scrypt

Add a bound on the number of in-flight scrypt hashes.
Update CONTRIBUTING.md

Update CONTRIBUTING.md to include more detail how rules around contributing code and code reviews.
Update CONTRIBUTING.md
train-20
initial sketch of preVerifiedTokens
added a test for invalid preverifytoken, default config to no secret
WIP on public-key preVerifyTokens
use b64url encoding for JWKs as in the spec
config cleanup
stub docs fro preVerifyToken
test re-create with preVerifyToken
more input validation of preVerifyToken with regex