fix a few problems with the series view

lib/Trog/Routes/HTML.pm

@@ -745,7 +745,7 @@ sub posts ($query, $render_cb) {
         title     => $query->{title},
         posts     => \@posts,
         like      => $query->{like},
-        in_series => !!($query->{route} =~ m/\/series\/\d*$/),
+        in_series => exists $query->{in_series} || !!($query->{route} =~ m/\/series\/\d*$/),
         route     => $query->{route},
         limit     => $limit,
         pages     => scalar(@posts) == $limit,

www/server.psgi

@@ -128,8 +128,6 @@ my $app = sub {
     $query->{acls} = Trog::Auth::acls4user($active_user) // [] if $active_user;
 
     $query->{user}    = $active_user;
-    $query->{title}   = '';
-    $query->{subhead} = '';
     $query->{domain}  = $env->{HTTP_HOST};
     $query->{route}   = $env->{REQUEST_URI};
     $query->{scheme}  = $env->{'psgi.url_scheme'} // 'http';