CallLog API and UTF8 fix
- Add public API on call log to change the remote address
 - Fix special characters on LDAP search
 - use getBodyAsUtf8String (aka no Locale conversion) when using libxml parsing on file transfert contents (fix utf8 for windows on sending/receiving files)
 - remove special characters in file names that are unusable
 
voir !1486 (merged)
Edited  by Julien Wadel