add better message at the end

cmd/cmd_controller.js

@@ -495,13 +495,14 @@ class EmbarkController {
           callback();
         });
       }
-    ], function(_err) {
+    ], function(err) {
+      if (err) {
+        engine.logger.error(__("Error generating the UI: "));
+        engine.logger.error(err.message || err);
+        process.exit(1);
+      }
       engine.logger.info(__("finished generating the UI").underline);
-      engine.logger.info(__("You can add the UI to your Dapp easily by adding the following in embark.json:"));
-      engine.logger.info((`  "js/${options.contract}.js": [\n` +
-        `    "${options.contract}.js"\n` +
-        `  ],\n` +
-        `  "index.html": "app/${options.contract}.html"`).cyan);
+      engine.logger.info(__("To see the result, execute {{cmd}} and go to /{{contract}}.html", {cmd: 'embark run'.underline, contract: options.contract}));
       process.exit();
     });
   }

lib/modules/scaffolding-solidity/index.js

@@ -26,7 +26,6 @@ class ScaffoldingSolidity {
         const template = Handlebars.compile(source);
 
         // Write template
-      console.dir(data);
         const result = template(data);
         fs.writeFileSync(filePath, result);
         return filePath;