[Libreoffice-qa] Update whiteboard wiki page

[Aleksandr P]

Hello.

>> Some weeks ago there was a discussion about whiteboard, but
>> information in wiki is incomplete. For example, I can not find
>> information about such statuses as filter:doc or filter:rtf.

> Indeed I see them missing ;) Good thing about wiki is that anyone can update
> it :-D The filter:xxx decision was made not too long ago - feel free to add
> it.

Well, I have added information about filter:xxx and changed examples
in BugTriage to use tags from the current list.

Best regards,
Alexandr