Configuração do envio de email

Envio de email via PHPMailer

[novos]
- ajax.php
- assets/3rd/phpmailer/PHPMailerAutoload.php
- assets/3rd/phpmailer/class.phpmailer.php
- assets/3rd/phpmailer/class.pop3.php
- assets/3rd/phpmailer/class.smtp.php
- assets/3rd/phpmailer/language/phpmailer.lang-pt.php
- mail_config.php

[modificados]
 - functions.php