Include necessary ruby-money config files in dist

Also add MANIFEST.SKIP to make tests pass.

MANIFEST

@@ -2,9 +2,16 @@ Changes
 lib/Data/MoneyCurrency.pm
 Makefile.PL
 MANIFEST			This list of files
+MANIFEST.SKIP
 README
 LICENSE
 t/00-load.t
 t/manifest.t
 t/pod-coverage.t
 t/pod.t
+xt/boilerplate.t
+ruby-money/config/currency_backwards_compatible.json
+ruby-money/config/currency_iso.json
+ruby-money/config/currency_non_iso.json
+ruby-money/LICENSE
+ruby-money/README.md

MANIFEST.SKIP

@@ -0,0 +1,19 @@
+^\.git/
+^\.gitignore$
+^\.gitmodules$
+~$
+\.tar\.gz$
+^Data-MoneyCurrency-.*/
+ruby-money/lib/
+ruby-money/spec/
+ruby-money/.coveralls.yml
+ruby-money/.git
+ruby-money/.gitignore
+ruby-money/.rspec
+ruby-money/.travis.yml
+ruby-money/AUTHORS
+ruby-money/CHANGELOG.md
+ruby-money/CONTRIBUTING.md
+ruby-money/Gemfile
+ruby-money/Rakefile
+ruby-money/money.gemspec

Makefile.PL

@@ -2,6 +2,23 @@ use 5.006;
 use strict;
 use warnings;
 use ExtUtils::MakeMaker;
+use File::Basename qw(dirname);
+use File::Spec;
+
+my $dirname = dirname(__FILE__);
+my @required_files = (
+    File::Spec->catfile("ruby-money", "config", "currency_backwards_compatible.json"),
+    File::Spec->catfile("ruby-money", "config", "currency_iso.json"),
+    File::Spec->catfile("ruby-money", "config", "currency_non_iso.json"),
+    File::Spec->catfile("ruby-money", "LICENSE"),
+    File::Spec->catfile("ruby-money", "README.md"),
+);
+for my $file (@required_files) {
+    my $path = File::Spec->catfile($dirname, $file);
+    if (! -e $path) {
+        die "Expected file '$path' to exist, have you checked out the submodule?";
+    }
+}
 
 WriteMakefile(
     NAME             => 'Data::MoneyCurrency',