Update sitemap plugin to include English pages from subdirectories

_plugins/sitemap.rb

@@ -62,33 +62,23 @@ def generate(site)
           end
         end
 	#Add static non-translated pages
-        Dir.foreach('.') do |file1|
-          if /^[a-z]{2}(_[A-Z]{2})?$/.match(file1) and File.directory?(file1)
-            Dir.foreach(file1) do |file2|
-              next if !/\.html$|\.md$/.match(file2)
-              data = File.read(file1+'/'+file2)
-              sitemap.puts '<url>'
-              sitemap.puts '  <loc>https://bitcoin.org/'+file1+'/'+file2.gsub('.html','').gsub('.md','')+'</loc>'
-              sitemap.puts '</url>'
-            end
-          end
-          next if !/\.html$|\.md$/.match(file1)
-          next if file1 == 'index.html' or file1 == '404.html' or file1 == 'README.md'
+        Dir.glob('en/**/*.{md,html}').concat(Dir.glob('*.{md,html}')).each do |file|
+          next if file == 'index.html' or file == '404.html' or file == 'README.md'
           #Ignore google webmaster tools
-          data = File.read(file1)
+          data = File.read(file)
           next if !data.index('google-site-verification:').nil?
           sitemap.puts '<url>'
-          sitemap.puts '  <loc>https://bitcoin.org/'+file1.gsub('.html','').gsub('.md','')+'</loc>'
+          sitemap.puts '  <loc>https://bitcoin.org/'+file.gsub('.html','').gsub('.md','')+'</loc>'
           sitemap.puts '</url>'
         end
-        #Add english alerts pages
+        #Add alerts pages
         Dir.foreach('_alerts') do |file|
           next if file == '.' or file == '..'
           sitemap.puts '<url>'
           sitemap.puts '  <loc>https://bitcoin.org/en/alert/'+file.gsub('.html','')+'</loc>'
           sitemap.puts '</url>'
         end
-        #Add english releases pages
+        #Add releases pages
         Dir.foreach('_releases') do |file|
           next if file == '.' or file == '..'
           file = file.split('-')