Bug 1083058 - Adding pref to control TLS version fallback, r=keeler

From af667978f8915e6ebfaf02f8967b3d320d409a24 Mon Sep 17 00:00:00 2001
---
 netwerk/base/public/security-prefs.js              |  1 +
 security/manager/ssl/src/nsNSSIOLayer.cpp          | 21 +++++-
 security/manager/ssl/src/nsNSSIOLayer.h            |  2 +
 .../manager/ssl/tests/gtest/TLSIntoleranceTest.cpp | 76 +++++++++++++++++++---
 4 files changed, 90 insertions(+), 10 deletions(-)