Update the Express depencencies

- Change the express independencies to 4.x
- Run "npm install compression" && "npm install serve-favicon" to update
packages
- Modiified "server.js" in order to run with independencies
Commented out Officer Application

// a(href="/application") Officer Application
change of readme

change of readme
Merge pull request #6 from FrankSunChenfan/master

Updated the Express depencencies & removed offiicer application