add product layered navigation
fix wrong table name
fix cache issue in production mode for filter widget
fix sql error on empty tags
fix query sting parsing
add brand, category, price filters
fix price range
fix product list price filtering
remove debug values
fix price range filter widget
Modified html code
Added spinner on save
Modify html code, added call is checkboxRadio()
Fixed errors in 'sitemapproducts.xml'.
Fixed an error adding disabled products in "sitemapproducts.xml".
Modify html code
Modify html code, changed screen height
fix filter builder widget
fix saving filter widget data
update minified js