Merge pull request #5020 from frederic34/swiftmailer

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htdocs/admin/mails.php

htdocs/core/class/CMailFile.class.php

htdocs/core/class/smtps.class.php

htdocs/includes/swiftmailer/lib/classes/Swift.php

htdocs/includes/swiftmailer/lib/classes/Swift/Attachment.php

...lasses/Swift/ByteStream/AbstractFilterableInputStream.php

...ftmailer/lib/classes/Swift/ByteStream/ArrayByteStream.php

...iftmailer/lib/classes/Swift/ByteStream/FileByteStream.php

.../lib/classes/Swift/ByteStream/TemporaryFileByteStream.php

...ncludes/swiftmailer/lib/classes/Swift/CharacterReader.php

...classes/Swift/CharacterReader/GenericFixedWidthReader.php

...ailer/lib/classes/Swift/CharacterReader/UsAsciiReader.php

...ftmailer/lib/classes/Swift/CharacterReader/Utf8Reader.php

.../swiftmailer/lib/classes/Swift/CharacterReaderFactory.php

...t/CharacterReaderFactory/SimpleCharacterReaderFactory.php

...ncludes/swiftmailer/lib/classes/Swift/CharacterStream.php

...ib/classes/Swift/CharacterStream/ArrayCharacterStream.php

...r/lib/classes/Swift/CharacterStream/NgCharacterStream.php

...ludes/swiftmailer/lib/classes/Swift/ConfigurableSpool.php