Merge pull request #755 from bugzmanov/master

[RJA-xxx][fix] changing internal api for ExtendedResult
[RJA-1632][fix] Roles: ldap search should search by Displayed name
  - now it's possible to search by 'FirstName LastName' pattern;
Merge pull request #759 from azhuchkov/composite-user-search

[RJA-1632][fix] Roles: ldap search should search by Displayed name
[RJA-1642][fix] hide password values in configs GET operations