clean up nodemon error message on quit

Author: theganyo

lib/commands/project/project.js

@@ -172,6 +172,8 @@ function start(directory, options, cb) {
       }
     }).on('restart', function (files) {
       emit('Project restarted. Files changed: ', files);
+    }).on('quit', function () {
+      process.exit(0);
     });
   });
 }