Style corporate info pages for world orgs

Created a new view template as the header structure for worldwide
organistions is fairly different to that of organisations. This seemed
like the simplest way to proceed without creating lots of extra
complexity in the stylesheets.
Sync local files
Merge pull request #299 from alphagov/style-corp-info

Style corporate info pages for world orgs

https://www.pivotaltracker.com/story/show/45148265