Created Rails app.
Removed javascript-related gem dependencies.
Set up connection with existing PostgreSQL database and generated schema.rb.
Resetting the application, starting it with a new database.
Created first version of timestamped_point model with migration and all.
Added PostGIS, created timestamped_point model.

* Added where scope to timestamped_point model.
* Added test for the created scope.
* Created migration for adding PostGIS.
Added altitude field to timestamped point.