treewide: homepage URL fixes (#28475)

* pgadmin: use https homepage

* msn-pecan: move homepage to github

google code is now unavailable

* pidgin-latex: use https for homepage

* pidgin-opensteamworks: use github for homepage

google code is unavailable

* putty: use https for homepage

* ponylang: use https for homepage

* picolisp: use https for homepage

* phonon: use https for homepage

* pugixml: use https for homepage

* pioneer: use https for homepage

* packer: use https for homepage

* pokerth: usee https for homepage

* procps-ng: use https for homepage

* pycaml: use https for homepage

* proot: move homepage to .github.io

* pius: use https for homepage

* pdfread: use https for homepage

* postgresql: use https for homepage

* ponysay: move homepage to new site

* prometheus: use https for homepage

* powerdns: use https for homepage

* pm-utils: use https for homepage

* patchelf: move homepage to https

* tesseract: move homepage to github

* quodlibet: move homepage from google code

* jbrout: move homepage from google code

* eiskaltdcpp: move homepage to github

* nodejs: use https to homepage

* nix: use https for homepage

* pdf2djvu: move homepage from google code

* game-music-emu: move homepage from google code

* vacuum: move homepae from google code

pkgs/applications/networking/instant-messengers/pidgin-plugins/pidgin-opensteamworks/default.nix

@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ pidgin unzip glib json_glib nss nspr libgnome_keyring ];
 
   meta = with stdenv.lib; {
-    homepage = https://code.google.com/p/pidgin-opensteamworks;
+    homepage = https://github.com/EionRobb/pidgin-opensteamworks;
     description = "Plugin for Pidgin 2.x which implements Steam Friends/Steam IM compatibility";
     license = licenses.gpl3;
     platforms = platforms.linux;