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/tools/misc/lttv/default.nix

@@ -4,7 +4,7 @@ stdenv.mkDerivation rec {
   name = "lttv-1.5";
 
   src = fetchurl {
-    url = "http://lttng.org/files/packages/${name}.tar.bz2";
+    url = "https://lttng.org/files/packages/${name}.tar.bz2";
     sha256 = "1faldxnh9dld5k0vxckwpqw241ya1r2zv286l6rpgqr500zqw7r1";
   };
 
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "Graphical trace viewer for LTTng trace files";
-    homepage = http://lttng.org/;
+    homepage = https://lttng.org/;
     # liblttvtraceread (ltt/ directory) is distributed under the GNU LGPL v2.1.
     # The rest of the LTTV package is distributed under the GNU GPL v2.
     license = with licenses; [ gpl2 lgpl21 ];