[ticket/13242] Fix HTML validity

PHPBB3-13242
[ticket/13265] Don't show link to edit own profile to those without permission

PHPBB3-13265
Merge remote-tracking branch 'Elsensee/ticket/13265' into develop-ascraeus

* Elsensee/ticket/13265:
  [ticket/13265] Don't show link to edit own profile to those without permission
Merge pull request #3110 from Elsensee/ticket/13242

[ticket/13242] Fix HTML validity