Add option no_message_tag

This option is used to indicate that the user does not wish to encapsulate the message in a 'message tag'.

Author: cavebatsofware

lib/savon/options.rb

@@ -58,6 +58,7 @@ def initialize(options = {})
         :multipart                 => false,
         :adapter                   => nil,
         :use_wsa_headers           => false,
+        :no_message_tag            => false
       }
 
       options = defaults.merge(options)
@@ -277,6 +278,10 @@ def adapter(adapter)
     def use_wsa_headers(use)
       @options[:use_wsa_headers] = use
     end
+    
+    def no_message_tag(bool)
+      @options[:no_message_tag] = bool
+    end
   end
 
   class LocalOptions < Options