allow both 'file' and 'greenlock' when protocol=='httpall'

ConfigCustom.js

@@ -1,5 +1,7 @@
 module.exports={
   // 如果使用 https 协议，必须填写以下内容，或在命令行参数中设置：
+  // sslType: 'greenlock',
+  // sslDomainList: [''],
   // sslKey: '/etc/letsencrypt/live/test.bittic.net/privkey.pem', // ssl key file,
   // sslCert: '/etc/letsencrypt/live/test.bittic.net/fullchain.pem', // ssl cert file,
   // sslCA: '/etc/letsencrypt/live/test.bittic.net/bundle.crt', // ssl ca file,