Bug#828097: transition: tidy

[Daniel James <daniel@64studio.com>]

Hi Jeremy, hi Emilio,

You're right, the tidy-html5 source package is meant to replace the tidy
source package. I'm sorry for not following the correct procedure there;
this is my first attempt to update an orphaned package.

This new version is a major update but not a rewrite, as I understand
it. The upstream name changed, and also the soname of the library.

I'm currently preparing a packaging update to address #827891 #827716
and several other bugs.

Cheers!

Daniel