WIP

Author: artem-v

Issues.md

@@ -1,4 +1,3 @@
 * When sending null in ServiceMessage.data - now it's throwing BadRequest, but before it was
   security-exception. Must be changed back to how it was.
 * Add debug logs for Auth/Authz error situations.
-* In ServiceMethodInvoker - wrap principalMapper.map(context) into Mono.defer()