Update CVE 2013-1877 to 2013-2616

According to http://cve.mitre.org/cgi-bin/cvename.cgi?name=2013-1877:

> ** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: CVE-2013-2616. Reason: This candidate is a duplicate of CVE-2013-2616. Notes: All CVE users should reference CVE-2013-2616 instead of this candidate. All references and descriptions in this candidate have been removed to prevent accidental usage.

New CVE reference is http://cve.mitre.org/cgi-bin/cvename.cgi?name=2013-2616
Merge pull request #39 from amiel/patch-1

Update CVE 2013-1877 to 2013-2616