Merge pull request #9 from coei/utf-8

Use UTF-8 instead of ISO-8859-1

Author: chrisoei

lib/ruby-mws/api/feed.rb

@@ -1,5 +1,4 @@
 require 'digest/md5'
-require 'iconv'
 require 'nokogiri'
 
 module MWS
@@ -23,7 +22,6 @@ def submit_feed(type=nil, content_params={})
                when SHIP_ACK
                  content_for_ship_with(content_params)
                end
-        body = Iconv.conv("iso-8859-1", "UTF8", body)
         query_params = {:feed_type => type}
         options = {
           :verb => :post,