public: new styles and mark up for 404, 500 and 422
Merge branch 'master' of github.com:Vizzuality/gfw into fix/404-500-422-styles
Merge branch 'master' of github.com:Vizzuality/gfw into fix/404-500-422-styles
static: analytics user id and single stylesheets and js files
Merge pull request #477 from Vizzuality/fix/404-500-422-styles

Fix/404 500 422 styles