Fixed: attachment identified by disposition header as per RFC 2183 2.2 (http://tools.ietf.org/html/rfc2183#section-2.2)
Storing retrieved attachments in temp directory. Also assuming filenames
are good enough to be stored in server filesystem
Merge branch 'master' of https://github.com/troggy/php-imap

Conflicts:
	ImapMailbox.php