Patch to make LogoURL behave as expected

One more for this evening:

Change line 45 of share/html/Elements/Header to

so that LogoURL (as described in etc/RT_Config.pm) actually does something,
and lets admins brand their install to their own site.

I hope the removal of the Best Practical logo and URL doesn’t upset you,
Jesse, since it’s repeated at the bottom of the page.

jaq@spacepants.org http://spacepants.org/jaq.gpg