[PATCH v2] ui-commit: show subject in page title

[June Bug]

> On Feb 26, 2020, at 07:21, jean-christophe manciot <actionmystique at gmail.com> wrote:
> 
> I have implemented this patch on my website (https://git.sdxlive.com/)
> over the latest commit of master branch (1.2.2-2-gfde897b) & restarted
> uwsgi.

> However, unless I'm missing something, I don't see any difference in
> any page title: they all keep the format "index :<repository name>”.

The title of this page, for example:
<https://git.sdxlive.com/DR/commit/?id=7775e84b3c0debcd68ab40ed4add13db2bbdfee3>
begins with the subject line of the commit,
"Debian/logs/packages.Debian.log".