Afra

TODO:
* Create Postgres database directory in repository/pg.
* Move env.yml to repository.
* Swap Postgres in place of SQLite.
* Rewrite User & Session class using Sequel (migrations and model)
* Remove  Redis. For TTL, see:
  http://www.postgresql.org/message-id/689D39ED76CF4967B823E2718CF15A82@ticketevolution.com
* Keep database.rb? Probably not.
* Spec user model.
* Refactor Web & SessionManager class.
* Remove requirejs shims with jspm.io
* rake test:spec - run all specs
* rake - run all tests (alias to test:spec for now)
* If time permits, expose Google+ & Twitter login URL.
* On login, redirect to curate/ which has a nav bar on top with user's name and a logout button.

Signed-off-by: Anurag Priyam <anurag08priyam@gmail.com>