Adding bird-1.3.11

pkgs/servers/bird/default.nix

@@ -0,0 +1,19 @@
+{ stdenv, fetchurl, flex, bison, readline }:
+
+stdenv.mkDerivation rec {
+  name = "bird-1.3.11";
+
+  src = fetchurl {
+    url = "ftp://bird.network.cz/pub/bird/${name}.tar.gz";
+    sha256 = "15c4d9cyd6l8jdlrvmzvwmpga81llm8zxqvbsir9gvwgzn6zbmna";
+  };
+
+  buildInputs = [ flex bison readline ];
+
+  meta = {
+    description = "";
+    homepage = http://bird.network.cz;
+    license = "GPLv2+";
+    maintainers = with stdenv.lib.maintainers; [viric];
+  };
+}