Windows Live Mail reply parsed wrong

If the reply comes from Window Live Mail the parsing is wrong.
Example of the body received:

```
risposta da mail di notifica anche se ora non seguo più il post

From: Airesis Forum
Sent: Tuesday, November 19, 2013 12:03 AM
To: marco.baiotto@gmail.com
Subject: [gruppo prova] Ambarabà cicci Coccò

Airesis - Test
--------------------------------------------------------------

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```

Start by reproducing the parser with the Windows Live Mail body in the issue, then trace how the library identifies quoted content and the reply text. Done means this example is parsed without treating the notification footer or headers as the user's reply; add a regression test if the existing test structure supports it.

索引モデルが issue の本文から書いたものです。