content-type-request.patch

diff --git a/ug-gadget/vendor/gems/httparty-0.5.2/lib/httparty/request.rb b/ug-gadget/vendor/gems/httparty-0.5.2/lib/httparty/request.rb
index 67ac94f..a7089da 100644
--- a/ug-gadget/vendor/gems/httparty-0.5.2/lib/httparty/request.rb
+++ b/ug-gadget/vendor/gems/httparty-0.5.2/lib/httparty/request.rb
@@ -104,7 +104,12 @@ module HTTParty
 
       def setup_raw_request
         @raw_request = http_method.new(uri.request_uri)
-        @raw_request.body = body if body
+        if body
+          @raw_request.body = body
+          if not body.is_a?(Hash)
+            options[:headers].merge!('content-type' => mimetype_from_format(format))
+          end
+        end
         @raw_request.initialize_http_header(options[:headers])
         @raw_request.basic_auth(username, password) if options[:basic_auth]
       end
@@ -178,6 +183,16 @@ module HTTParty
         end
       end
 
+      # Determines the mimetype from the format
+      #TODO make this a bit more smart (perhaps using the parser)
+      def mimetype_from_format(format)
+        case format
+        when :xml : 'text/xml'
+        when :json : 'text/json'
+        when :html : 'text/html'
+        end
+      end
+
       def validate
         raise HTTParty::RedirectionTooDeep.new(last_response), 'HTTP redirects too deep' if options[:limit].to_i <= 0
         raise ArgumentError, 'only get, post, put, delete, head, and options methods are supported' unless SupportedHTTPMethods.include?(ht