[permissions] Add security considerations section (#49)

• From: Mounir Lamouri <notifications@github.com>
• Date: Mon, 05 Oct 2015 12:28:01 -0700
• To: w3c/permissions <permissions@noreply.github.com>
• Message-ID: <w3c/permissions/issues/49@github.com>

---
Reply to this email directly or view it on GitHub:
https://github.com/w3c/permissions/issues/49

Received on Monday, 5 October 2015 19:28:58 UTC