Add version attribute where maintainers |= nckx

This will probably be mandatory soon, and is a step in the right
direction. Removes the deprecated meta.version, and move some meta
sections to the end of the file where I should have put them in
the first place.

pkgs/development/tools/java/cfr/default.nix

@@ -1,28 +1,14 @@
 { stdenv, fetchurl, jre }:
 
-let version = "0_101"; in
 stdenv.mkDerivation rec {
   name = "cfr-${version}";
+  version = "0_101";
 
   src = fetchurl {
     sha256 = "0zwl3whypdm2qrw3hwaqjnifkb4wcdn8fx9scrjkli54bhr6dqch";
     url = "http://www.benf.org/other/cfr/cfr_${version}.jar";
   };
 
-  meta = with stdenv.lib; {
-    inherit version;
-    description = "Another java decompiler";
-    longDescription = ''
-      CFR will decompile modern Java features - Java 8 lambdas (pre and post
-      Java beta 103 changes), Java 7 String switches etc, but is written
-      entirely in Java 6.
-    '';
-    homepage = http://www.benf.org/other/cfr/;
-    license = licenses.mit;
-    platforms = platforms.all;
-    maintainers = with maintainers; [ nckx ];
-  };
-
   buildInputs = [ jre ];
 
   phases = [ "installPhase" ];
@@ -38,4 +24,17 @@ stdenv.mkDerivation rec {
     EOF
     install -Dm755 cfr $out/bin/cfr
   '';
+
+  meta = with stdenv.lib; {
+    description = "Another java decompiler";
+    longDescription = ''
+      CFR will decompile modern Java features - Java 8 lambdas (pre and post
+      Java beta 103 changes), Java 7 String switches etc, but is written
+      entirely in Java 6.
+    '';
+    homepage = http://www.benf.org/other/cfr/;
+    license = licenses.mit;
+    platforms = platforms.all;
+    maintainers = with maintainers; [ nckx ];
+  };
 }