Treewide: update some problematic homepages

These URLs are reported as problematic by Repology.
It could be a permanent redirection
or the page does not exist anymore

pkgs/development/python-modules/gdata/default.nix

@@ -8,7 +8,7 @@ buildPythonPackage rec {
   version = "2.0.18";
 
   src = fetchurl {
-    url = "https://gdata-python-client.googlecode.com/files/${pname}-${version}.tar.gz";
+    url = "https://storage.googleapis.com/google-code-archive-downloads/v2/code.google.com/gdata-python-client/${pname}-${version}.tar.gz";
     sha256 = "1dpxl5hwyyqd71avpm5vkvw8fhlvf9liizmhrq9jphhrx0nx5rsn";
   };
 
@@ -16,7 +16,7 @@ buildPythonPackage rec {
   doCheck = false;
 
   meta = with stdenv.lib; {
-    homepage = https://code.google.com/p/gdata-python-client/;
+    homepage = "https://github.com/google/gdata-python-client";
     description = "Python client library for Google data APIs";
     license = licenses.asl20;
   };