added the commitID and the mention field, to email. Populated with the
data from vulnintro.csv

Here is an example of the the document structure:

{
        "_id" : ObjectId("5307aa581f80d0f1cdcbecb8"),
        "messageID" : "<1182257345.3851.22.camel@jfcpc>",
        "from" : "jfclere@gmail.com,",
        "allRecipients" : "dev@httpd.apache.org,",
        "subject" : "Improving trace in http-proxy",
        "content" : "Hi...",
        "sentDate" : ISODate("2007-06-19T12:49:05Z"),
        "commitID" : "d469fe656631bcc1ed513a9bf301687ae5f0b951",
        "mention" : true
}