- Don't ignore entropy underruns in challenges.go
- Correct identity crisis in Policy Authority; hopefully it will remember.
- Add a method `AuditObject` in audit-logger and convert RA/VA to use it
- Fix json typo in registration-authority that caused empty audit logs
- Fix vet issue in WFE where RegID was being printed as a 32-bit int instead of 64-bit
- Unfix the issue in WFE where RegID isn't right, per PR #215