Update asterisk.conf

Para ficar compatível com asterisk 11
Update asterisk
Merge branch 'patch-4' of https://github.com/silviogarbes/fail2ban into asterisk-227
Merge branch 'patch-1' of https://github.com/silviogarbes/fail2ban into asterisk-227
ENH: port optional
ENH/BF: constrain regex. Fix ACL error regex
TST: normalize logs to use example.com and 1.2.3.4 as IP
DOC: how to do filter enhancements
DOC: credits
ENH: purge a few more .*
Merge pull request #237 from grooverdan/asterisk-227

Asterisk enhancements
Filter Asterisk: Add AUTH_UNKNOWN_DOMAIN error to list

 * I have been seeing bruteforcing attempts where asterisk fails with
   AUTH_UNKNOWN_DOMAIN (Not a local domain)
Filter Asterisk: Add sample log entry to testcase.

 * Sample log entry for AUTH_UNKNOWN_DOMAIN (Not a local domain)
Merge pull request #244 from clopez/filter-asterisk

Filter Asterisk: Add AUTH_UNKNOWN_DOMAIN error to list
DOC: credits for gh-244