Add canonical link and clean alternative link in WUI, related to #406 SEO issue
Add canonical link and clean alternative link in WUI, related to #406 SEO issue

* Add canonical link to HTML header with only 'query' as parameter
* Remove the tailing '?' from alternative link in HTML header for empty requests

muslih/alfanous,muslih/alfanous,muslih/alfanous,muslih/alfanous,muslih/alfanous,muslih/alfanous,muslih/alfanous