Merge branch 'js/update-urls-in-doc-and-comment' into maint-2.43

Stale URLs have been updated to their current counterparts (or
archive.org) and HTTP links are replaced with working HTTPS links.

* js/update-urls-in-doc-and-comment:
  doc: refer to internet archive
  doc: update links for andre-simon.de
  doc: switch links to https
  doc: update links to current pages

git-cvsimport.perl

@@ -329,7 +329,7 @@ sub conn {
 			# Use a HTTP Proxy. Only works for HTTP proxies that
 			# don't require user authentication
 			#
-			# See: http://www.ietf.org/rfc/rfc2817.txt
+			# See: https://www.ietf.org/rfc/rfc2817.txt
 
 			$s = IO::Socket::INET->new(PeerHost => $proxyhost, PeerPort => $proxyport);
 			die "Socket to $proxyhost: $!\n" unless defined $s;