Fix an XEP reference in the guide
Fix a comment in ejabberd_hooks
Merge pull request #292 from weiss/fix-xep-reference

Fix an XEP reference in the guide
Merge pull request #293 from weiss/fix-comment

Fix a comment in ejabberd_hooks
Recompile the xmpp_codec using updated XML generator
Add mod_fail2ban
Ban the IP if there are too many failed authentications
Remove useless -include()
Automatically remove IPs from ban, add the documentation