Transport priority changes

Default transport request should set the priority to the Host: request header, and the subsequent OverrideRequestHost, OverrideLHOST, and OverrideLPORT options in the handler for reverse_http(s).

lib/msf/core/payload/transport_config.rb

@@ -55,8 +55,8 @@ module Msf::Payload::TransportConfig
 
     {
       :scheme       => 'http',
-      :lhost        => datastore['LHOST'],
-      :lport        => datastore['LPORT'].to_i,
+      :lhost        => opts[:lhost],
+      :lport        => opts[:lport].to_i,
       :uri          => uri,
       :comm_timeout => datastore['SessionCommunicationTimeout'].to_i,
       :retry_total  => datastore['SessionRetryTotal'].to_i,