torque: update homepage

pkgs/servers/computing/torque/default.nix

···
   '';
 
   meta = with lib; {
-    homepage = "http://www.adaptivecomputing.com/products/open-source/torque";
+    homepage = "https://github.com/adaptivecomputing/torque";
     description = "Resource management system for submitting and controlling jobs on supercomputers, clusters, and grids";
     platforms = platforms.linux;
     license = "TORQUEv1.1";