Distribute roots.pem with the Node package
diff --git a/package.json b/package.json
index c624c45..54efb69 100644
--- a/package.json
+++ b/package.json
@@ -53,6 +53,7 @@
     "src/core",
     "test/proto",
     "include",
+    "etc",
     "binding.gyp"
   ],
   "main": "src/node/index.js",