treewide: use more HTTPS URLs

Uses the HTTPS url for cases where the existing URL has a permanent
redirect. For each domain, at least one fixed derivation URL was
downloaded to test the domain is properly serving downloads.

Also fixes jbake source URL, which was broken.

pkgs/development/libraries/libaudclient/default.nix

@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Legacy D-Bus client library for Audacious";
-    homepage = http://audacious-media-player.org/;
+    homepage = https://audacious-media-player.org/;
     license = licenses.bsd2;
     maintainers = with maintainers; [ pSub ];
     platforms = with platforms; unix;