gwenhywfar, libchipcard: Move into aqbanking dir

This should make it easier to deduplicate things, such as fetching
upstream sources and the plugin paths, because after all these libraries
are aqbanking-related and maintained by the same author on the same
site.

Signed-off-by: aszlig <[e-mail]>
Cc: @cillianderoiste, @urkud

pkgs/top-level/all-packages.nix

···
 
   gvfs = callPackage ../development/libraries/gvfs { gconf = gnome.GConf; };
 
-  gwenhywfar = callPackage ../development/libraries/gwenhywfar { gnutls = gnutls33; };
+  gwenhywfar = callPackage ../development/libraries/aqbanking/gwenhywfar.nix { gnutls = gnutls33; };
 
   hamlib = callPackage ../development/libraries/hamlib { };
 
···
 
   libchewing = callPackage ../development/libraries/libchewing { };
 
-  libchipcard = callPackage ../development/libraries/libchipcard { };
+  libchipcard = callPackage ../development/libraries/aqbanking/libchipcard.nix { };
 
   libcrafter = callPackage ../development/libraries/libcrafter { };