Merge branch '5.0' into 'master'

.gitignore

Gruntfile.js

package-lock.json

package.json

www/index.php

www/js/search.js

www/scss/search-google.scss

www/scss/search.scss

www/templates/4.1/embed-debug.tpl.php

www/templates/4.1/embed.tpl.php

www/templates/4.1/end-scripts.tpl.php

www/templates/4.1/google-results.tpl.php

www/templates/4.1/search-results.tpl.php

www/templates/5.0/embed-debug.tpl.php

www/templates/5.0/embed.tpl.php

www/templates/5.0/end-scripts.tpl.php

www/templates/5.0/google-results.tpl.php

www/templates/5.0/search-results.tpl.php

www/templates/breadcrumbs.tpl.php