fix(stdin): don't watch for 'rs' when --no-stdin is provided

Author: naholyr

lib/nodemon.js

@@ -89,7 +89,7 @@ function nodemon(settings) {
     });
 
     // echo out notices about running state
-    if (config.options.restartable) {
+    if (config.options.stdin && config.options.restartable) {
       // allow nodemon to restart when the use types 'rs\n'
       process.stdin.resume();
       process.stdin.setEncoding('utf8');