Add a print format for country pages

This is just the routing and slimmer headers for the print styling.
There currently isn't any view code working yet.
Move common publication_metadata view into /shared directory

This partial is now being called from multiple views outside of those
used by the 'root' controller. Use the rails idiom of keeping shared
partials in the /shared directory.
Printed country travel advice contains all parts

The printer-friendly country travel advice should be a single page
with all of the parts inlined.
Don't show part numbers in printer-friendly country view

Also re-arranged wording of the title.
Simplify with_options usage for travel_advice_country

No need to declare the :as parameter for all of the block, only for
the parts where we need to call this method.
Merge remote branch 'origin/travel-advice-printer-friendly'
Force the locale to en for travel-advice

These pages haven't been localised at the moment.
Refactor TA country page to use summary field

No longer need to create a dummy part etc.  We also no longer have 2 URLs for the first part.
Fix print view for a country with no parts.
Hide parts navigation for countries with no parts.
Revert "Move common publication_metadata view into /shared directory"

This reverts commit 45e221cc023cb8ca20caf096a1ffc8d96a3ff526.
Update country metadata(updated etc) to match designs.
Fix alignment of printer-friendly page link
Merge pull request #214 from alphagov/travel-advice-country

Update travel-advice country page with new deisgns.
Use updated api-adapters from github

Due to issues pushing to rubygems.org
Fix date sensitive issue in tests.

They were failing when the day is a single digit due to a capybara
issue (as described in a comment)
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