Added Twitter Bootstrap to Tweeter static directory. Replaced layout.html in login.html and show_entries.html with base.html-which doesn't not use style.css. Deleted layout.html and style.css.
Added navbar to base.html. Moved Login and Logout to navbar. Changed login() in tweeter to add username to session.
Changed form to compose twits using bootstrap styling
Merge pull request #1 from aaronchlam/bootstrapping

Merging Bootstrapping