configitems: register the 'web.logourl' config

mercurial/configitems.py

@@ -748,6 +748,9 coreconfigitem('web', 'labels',
 coreconfigitem('web', 'logoimg',
     default='hglogo.png',
 )
+coreconfigitem('web', 'logourl',
+    default='https://mercurial-scm.org/',
+)
 coreconfigitem('web', 'accesslog',
     default='-',
 )

mercurial/hgweb/hgweb_mod.py

@@ -168,7 +168,7 class requestcontext(object):
         port = req.env['SERVER_PORT']
         port = port != default_port and (':' + port) or ''
         urlbase = '%s://%s%s' % (proto, req.env['SERVER_NAME'], port)
-        logourl = self.config('web', 'logourl', 'https://mercurial-scm.org/')
+        logourl = self.config('web', 'logourl')
         logoimg = self.config('web', 'logoimg')
         staticurl = self.config('web', 'staticurl') or req.url + 'static/'
         if not staticurl.endswith('/'):

mercurial/hgweb/hgwebdir_mod.py

@@ -510,7 +510,7 class hgwebdir(object):
 
         start = url[-1] == '?' and '&' or '?'
         sessionvars = webutil.sessionvars(vars, start)
-        logourl = config('web', 'logourl', 'https://mercurial-scm.org/')
+        logourl = config('web', 'logourl')
         logoimg = config('web', 'logoimg')
         staticurl = config('web', 'staticurl') or url + 'static/'
         if not staticurl.endswith('/'):