Interview simple App.

Build Path setup
The project will be looking for GWT SDK. Would need to make sure that Eclipse can find the required jar (gwt-user and gwt-dev) to be able to launch the project from Eclipse.


 ==== Tasks ====
 
 - in Hello.java -

*) Change the color of the Send button by adding the CSS class red.

*) Change the error message when sending a name with least than 4 characters with the Send button

*) Add the handler on the button 'Clear person information' the clear the person's text box. 

*) Use the CountCallService to add and show number of call message successfully sent to the server
   Use the countCallButton as the action button and countCallLabel to show the number of succeeded calls

  - in PersonInfo.java and Hello.java -

*) Implement the method getName of the PersonInfo bean to have a shortcut on displaying a user information.