Added
  -Twitter Bootstrap images, css, and javascript files.
  -Jade layouts for login and signup.
Modified
  -db.js
    -Finished databased layer.  There are add, remove, get, and set functions.
    -Database now requires no credentials when calling connect.
  -server.js
    -Added new routes for logging in.
    -Added session variables for authentication.
  -views/index.jade
    -Is now styled with twitter bootstrap.
    -Displays current login status.
Removed
  -N/A