Scans the Rails application.
Pass in path to the root of the Rails application
Set :rails3/:rails4 option if version was not determined from Gemfile
Process everything in the Rails application
Process config/environment.rb and config/gems.rb
Stores parsed information in tracker.config
Process all .rb files in controllers/
Adds processed controllers to tracker.controllers
Process Gemfile
Process an initializer
Process all the .rb files in config/initializers/
Adds parsed information to tracker.initializers
Process a library
Process all .rb in lib/
Adds parsed information to tracker.libs.
Process all the .rb files in models/
Adds the processed models to tracker.models
Process config/routes.rb
Adds parsed information to tracker.routes
Process all views and partials in views/
Adds processed views to tracker.views
Returns the Tracker generated from the scan
[Validate]