better error handling for register, also forces to enter email

Author: cjr11094

lib/commands/register.js

@@ -1,5 +1,6 @@
 const fs = require('fs')
 	, Syncano = require('syncano')
+	, validator = require('validator');
 	;
 
 module.exports = function(FASTACK) {
@@ -24,10 +25,21 @@ module.exports = function(FASTACK) {
 			}
 		], function(answers) {
 			var fastack = new Syncano({instance: 'fastack', apiKey: FASTACK.apiKey});
-			fastack.user().add({
-				username: answers.username,
-				password: answers.password
-			});
+			var responses = { username: answers.username, email: answers.email, password: answers.password }
+
+			if( answers.email && validator.isEmail( answers.email ) ){
+				fastack.user().add( responses ).then(function(){
+					FASTACK.logger.log("Account created.");
+					callback();
+				}, function(err){
+					FASTACK.logger.log("Error info: " + err);
+					callback();
+				});
+			} else {
+				FASTACK.logger.log("Not a valid e-mail address. Please try again.");
+				callback();
+			}
+
 		});
 	}
 };