removed unneeded requires in login.jsx

took out extra unneeded require statements (they arent used anywhere in login.jsx):
   
   var NAV = require('./NavBar.jsx');
   var BANNER = require('./Banner.jsx');
Merge pull request #19 from unexpected-lion/master

Add link to GitHub repo in footer of generated app, resolves #17
Merge pull request #16 from NickStefan/patch-1

removed unneeded requires in login.jsx