Add libnfc 1.7.1

pkgs/development/libraries/libnfc/default.nix

···
+{ stdenv, fetchurl, libusb }:
+
+stdenv.mkDerivation rec {
+  name = "libnfc-${version}";
+  version = "1.7.1";
+
+  src = fetchurl {
+    url = "http://dl.bintray.com/nfc-tools/sources/libnfc-1.7.1.tar.bz2";
+    sha256 = "0wj0iwwcpmpalyk61aa7yc6i4p9hgdajkrgnlswgk0vnwbc78pll";
+  };
+
+  buildInputs = [ libusb ];
+
+  meta = with stdenv.lib; {
+    description = "Open source library libnfc for Near Field Communication";
+    license = licenses.gpl3;
+    homepage = http://code.google.com/p/libnfc/;
+    maintainers = with maintainers; [offline];
+    platforms = with platforms; unix;
+  };
+}

pkgs/top-level/all-packages.nix

···
 
   libnatspec = callPackage ../development/libraries/libnatspec { };
 
+  libnfc = callPackage ../development/libraries/libnfc { };
+
   libnfsidmap = callPackage ../development/libraries/libnfsidmap { };
 
   libnice = callPackage ../development/libraries/libnice { };