do not send Expect header as many server don't like it

lib/hydra_wrapper.rb

@@ -7,7 +7,10 @@ require 'active_support/base64'
 
 class HydraWrapper
 
-  OPTS = {:max_redirects => 3, :timeout => 5000, :method => :post}
+  OPTS = {:max_redirects => 3, :timeout => 5000, :method => :post,
+          :headers => {'Expect'            => '',
+                       'Transfer-Encoding' => ''}
+         }
 
   attr_reader :failed_people, :user, :encoded_object_xml
   attr_accessor :dispatcher_class, :people, :hydra