add new chatplan concept and mod_sms. Apps for chat messages: copy new base freeswitch.xml and chatplan dir if you are upgrading on existing config base

src/mod/languages/mod_perl/freeswitch.pm

@@ -292,6 +292,8 @@ sub DESTROY {
     }
 }
 
+*chat_execute = *freeswitchc::Event_chat_execute;
+*chat_send = *freeswitchc::Event_chat_send;
 *serialize = *freeswitchc::Event_serialize;
 *setPriority = *freeswitchc::Event_setPriority;
 *getHeader = *freeswitchc::Event_getHeader;