Support for mongodb secure connections with ssl certificates

Fixes meanjs#1349

config/env/production.js

@@ -1,5 +1,7 @@
 'use strict';
 
+var fs = require('fs');
+
 module.exports = {
   secure: {
     ssl: true,
@@ -15,6 +17,20 @@ module.exports = {
     options: {
       user: '',
       pass: ''
+      /**
+        * Uncomment to enable ssl certificate based authentication to mongodb
+        * servers. Adjust the settings below for your specific certificate
+        * setup.
+      server: {
+        ssl: true,
+        sslValidate: false,
+        checkServerIdentity: false,
+        sslCA: fs.readFileSync('./config/sslcerts/ssl-ca.pem'),
+        sslCert: fs.readFileSync('./config/sslcerts/ssl-cert.pem'),
+        sslKey: fs.readFileSync('./config/sslcerts/ssl-key.pem'),
+        sslPass: '1234'
+      }
+      */
     },
     // Enable mongoose debug mode
     debug: process.env.MONGODB_DEBUG || false

package.json

@@ -56,7 +56,7 @@
     "lusca": "~1.4.1",
     "method-override": "~2.3.5",
     "mocha": "~3.0.2",
-    "mongoose": "~4.4.8",
+    "mongoose": "~4.5.10",
     "morgan": "~1.7.0",
     "multer": "~1.2.0",
     "nodemailer": "~2.5.0",