Implemented authentication/login with password hashing
Log out need not delete email cookie
Better documentation about authentication
Better name for documentation file
Merged authentication and master again, removed references to unauthorized.html
Added unsafehandler instead of tornado.requestHandler
username and password instead of inputEmail and inputPassword
Get rid of quotation marks for usernames
Changed documentation to mention username instead of email
Removed google account from index page
Merge pull request #36 from alneberg/master

Another try with authentication/authorization