Proper validation of username and password input

Author: begedin

lib/cli/publish.js

@@ -6,13 +6,20 @@ var cliPrompt = require('prompt');
 var dasherize = require('../utils/string').dasherize;
 var ui = require('../ui');
 
+cliPrompt.message = '';
+cliPrompt.delimiter = '';
+
 var promptSchema = {
   properties: {
     username: {
-      description: 'GitHub username'
+      description: 'GitHub username: ',
+      message: 'A username is required.',
+      required: true
     },
     password: {
-      description: 'GitHub password',
+      description: 'GitHub password: ',
+      message: 'A password is required.',
+      required: true,
       hidden: true
     }
   }