Adds pivotal tracker column to users table.
Adds pivotal tracker field to user form and show page.
Adds new column in params for user.
Adds faraday gem and view and controller code for pivotal tracker projects.
Adds link and view for pivotal tracker stories show page.
Adds list of project name and index of stories to tracker stories show page.
Fixes labels in pivotal tracker stories show page.
Creates new model for pivotal tracker api and refactors code in projects controller using pivotal tracker api objects.
Adds logic to the controllers and views to deal with cases where the current user does not have a pivotal tracker account.
Refactors projects controller and views for pivotal tracker projects to reduce if statements.