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/jbake/default.nix

@@ -5,7 +5,7 @@ stdenv.mkDerivation rec {
   name = "jbake-${version}";
 
   src = fetchzip {
-    url = "http://jbake.org/files/jbake-${version}-bin.zip";
+    url = "https://dl.bintray.com/jbake/binary/${name}-bin.zip";
     sha256 = "1ib5gvz6sl7k0ywx22anhz69i40wc6jj5lxjxj2aa14qf4lrw912";
   };
 
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "JBake is a Java based, open source, static site/blog generator for developers & designers";
-    homepage = "http://jbake.org/";
+    homepage = "https://jbake.org/";
     license = licenses.mit;
     maintainers = with maintainers; [ moaxcp ];
   };