Set license files and headers for bitcoin.org's content

_plugins/alphab_for.rb

@@ -1,3 +1,6 @@
+# This file is licensed under the MIT License (MIT) available on
+# http://opensource.org/licenses/MIT.
+
 #alphab_for allows to loop in an array sorted by the translated value of
 #each key using appropriate collation for the current language. In short,
 #this is used to generate translated table of contents.
@@ -19,7 +22,7 @@ module Jekyll
       if !site.has_key?("loc")
         site['loc'] = {}
         Dir.foreach('_translations') do |file|
-          next if file == '.' or file == '..'
+          next if file == '.' or file == '..' or file == 'COPYING'
           lang=file.split('.')[0]
           site['loc'][lang] = YAML.load_file('_translations/'+file)[lang]
         end