MBS-6018 Implement the /oauth2/userinfo and /oauth2/tokeninfo handlers
MBS-6018 Enforce SSL connection for /oauth2/userinfo
MBS-6018 Add zoneinfo to /oauth2/userinfo
MBS-6018 Refactor TLS checks into separate methods
Merge remote-tracking branch 'luks-bitbucket/oauth-userinfo' into beta

* luks-bitbucket/oauth-userinfo:
  MBS-6018 Refactor TLS checks into separate methods
  MBS-6018 Add zoneinfo to /oauth2/userinfo
  MBS-6018 Enforce SSL connection for /oauth2/userinfo
  MBS-6018 Implement the /oauth2/userinfo and /oauth2/tokeninfo handlers