gitweb: Add author information to commitdiff view

Add subroutine git_print_authorship to print author and date of
commit, div.author_date style to CSS, and use them in git_commitdiff.

Signed-off-by: Jakub Narebski <jnareb@gmail.com>
Signed-off-by: Junio C Hamano <junkio@cox.net>

gitweb/gitweb.css

@@ -116,6 +116,13 @@ div.list_head {
 	font-style: italic;
 }
 
+div.author_date {
+	padding: 8px;
+	border: solid #d9d8d1;
+	border-width: 0px 0px 1px 0px;
+	font-style: italic;
+}
+
 a.list {
 	text-decoration: none;
 	color: #000000;

gitweb/gitweb.perl

@@ -1354,6 +1354,16 @@ sub git_print_header_div {
 	      "\n</div>\n";
 }
 
+#sub git_print_authorship (\%) {
+sub git_print_authorship {
+	my $co = shift;
+
+	my %ad = parse_date($co->{'author_epoch'});
+	print "<div class=\"author_date\">" .
+	      esc_html($co->{'author_name'}) .
+	      " [$ad{'rfc2822'}]</div>\n";
+}
+
 sub git_print_page_path {
 	my $name = shift;
 	my $type = shift;
@@ -2933,6 +2943,7 @@ sub git_commitdiff {
 		git_header_html(undef, $expires);
 		git_print_page_nav('commitdiff','', $hash,$co{'tree'},$hash, $formats_nav);
 		git_print_header_div('commit', esc_html($co{'title'}) . $ref, $hash);
+		git_print_authorship(\%co);
 		print "<div class=\"page_body\">\n";
 		print "<div class=\"log\">\n";
 		git_print_simplified_log($co{'comment'}, 1); # skip title