Add route for travel advice index
First iteration of travel advice index
Remove redundant helper parameter

This was never used - made no sense to keep it
No `list-style` for the travel advice country list
Merge branch 'master' into travel-advice-index
Remove view helper include line

Module is included automatically
Use updated api-adapters from github

Due to issues pushing to rubygems.org
Merge remote branch 'origin/master' into travel-advice-index

Conflicts:
	app/assets/stylesheets/views/travel-advice.scss
	config/routes.rb
	test/functional/travel_advice_controller_test.rb
	test/integration/travel_advice_test.rb
Merge remote branch 'origin/travel-advice-index'