update express config, add demo config, ignore node_modules dir

.gitignore

@@ -2,4 +2,5 @@ config.yaml
 .project
 .settings
 archive
-buffer
+buffer
+node_modules

app.js

@@ -34,19 +34,20 @@ try {
     };
 } catch (e) {}
 var app = options === undefined ? 
-        require('express').createServer() : 
-        require('express').createServer(options);
+        express() : 
+        express(options);
 var bodyParser = express.bodyParser();
 
 // Properly handle errors
+/*
 app.error(function(err, req, res, next) {
     if (err instanceof SyntaxError) {
         res.send({ error: 'Could not parse data' }, 415);
     } else {
         res.send({ error: 'Internal Server Error' }, 500);
     }
 });
-
+*/
 // Status page
 app.all('/', function(req, res, next) {
     telemetry.get_status(req, res, next);
@@ -62,4 +63,4 @@ app.post('/input', bodyParser, function(req, res, next) {
     telemetry.bulk_load(req, res, next);
 });
 
-module.exports = app;
+module.exports = app;

demo.config.js

@@ -0,0 +1,10 @@
+var config = {
+	"type" : "json",
+	"archive": "/tmp/telemetry/",
+	"buffer": "/tmp/telemetry/",
+	"input": "demo"
+};
+
+exports.inputs = {
+	demo: [ config ]
+}