Add Borough model and rake task to pull data from borough_data CSV file to instantiate new borough instances.
Add boroughs routes and controller to work on partials--should be deleted once postcode views are created.
Merge branch 'borough-model'

Conflicts:
	app/models/borough.rb
	db/schema.rb
	test/fixtures/boroughs.yml
Fix merge conflicts and combine borough model data.
Merge branch 'master' of github.com:daniel1bell/over-there