newline should also be treated as "enter" key.

Author: thughes

lib/tty_posix.js

@@ -120,7 +120,7 @@ ReadStream.prototype._emitKey = function(s) {
     }
   }
 
-  if (s === '\r') {
+  if (s === '\r' || s === '\n') {
     // enter
     key.name = 'enter';