[ticket/12488] Add user warning indication to viewtopic posts

PHPBB3-12488
[ticket/12488] Removed <em> and removed anonymous check

PHPBB3-12488
[ticket/12488] Typo fix

PHPBB3-12488
[ticket/12488] subSilver2 fix (no longer displays if warnings = 0)

Don't know what I was thinking with this

PHPBB3-12488
Merge pull request #2400 from PayBas/ticket/12488

[ticket/12488] Add user warning indication to viewtopic posts

* PayBas/ticket/12488:
  [ticket/12488] subSilver2 fix (no longer displays if warnings = 0)
  [ticket/12488] Typo fix
  [ticket/12488] Removed <em> and removed anonymous check
  [ticket/12488] Add user warning indication to viewtopic posts