Stops loading of blend-module when offset unavailable (#654)

* Stops loading of blend-module when offset unavailable

* Added improvements

* Update demo.css

* Update notification.js

* Update defaultHtmlStepUi.js

* Update Module.js

* Update notification.js

* adds generic UI function to user-interface

* Added changes

index.js

@@ -69,6 +69,9 @@ if (program.saveSequence) {
       for (var output in step.info.outputs) {
         console.log("[" + program.step + "]: " + output + " = " + step[output]);
       }
+    },
+    notify: function(msg) {
+      console.log('\x1b[36m%s\x1b[0m','🌟  '+msg);
     }
   });