Merge pull request #79 from buzzub/custom-session-length

Allow the session expiration length to be configurable

lib/mbaas/session/mongoProvider.js

@@ -7,7 +7,10 @@ module.exports = {
       if (err) {
         return cb(err);
       }
-      self.store = new MongoStore({db: mongo});
+      self.store = new MongoStore({
+        db: mongo,
+        ttl: expressConfig.config.ttl || 14 * 24 * 60 * 60 // = 14 days. Default
+      });
       self.db = mongo;
       return cb(null);
     });