Minor improvements of French translations.
Merge pull request #178 from pchaigno/fr_translations

Minor improvements of French translations.
Added public methods to access 'to', 'bcc', 'all_recipients' and 'ReplyTo' properties for reading.
Merge pull request #182 from tyler-king/public-address-methods

Public methods to access addresses
Update class.phpmailer.php

Function "gethostname" unavailable before PHP 5.3, if function is not defined, use of php_uname('n').
Merge pull request #185 from ojovirtual/patch-1

Update class.phpmailer.php
Merge branch 'master' of https://github.com/PHPMailer/PHPMailer