Added references the GC and WET being award-winning as well as fixing issues with site titles and breadcrumbs

* Added GC reference to top level pages and updated i18n strings.
* Updated README and top level pages with reference to GC leading the project.
* Updated README and top level pages with reference to WET being award-winning.
* Fixed height of the site title sub-line in the WET theme.
* Fixed error in #2011 when the breadcrumb contains no links.