Better error display for "npm run" and config.json

app.js

@@ -34,8 +34,10 @@ try {
   config = JSON.parse(fs.readFileSync(configPath));
 }
 catch (err) {
-  console.log("There was a problem reading your config.json file:\n\n" + err.stack);
-  process.exit(0);
+  console.log("There was a problem reading your config.json file.");
+  console.log("Please try pasting your config.json file here to validate it: http://jsonlint.com");
+  console.log("");
+  throw err;
 }
 
 // pull out our custom Bridge settings from config.json, if any

package.json

@@ -3,7 +3,7 @@
   "description": "HomeKit support for the impatient",
   "version": "0.0.0",
   "scripts": {
-    "start": "DEBUG=* node app.js"
+    "start": "DEBUG=* node app.js || true"
   },
   "repository": {
     "type": "git",