Add `slideshare.net` to default rewrites for HTTPS
Add `slideshare.net` to default rewrites for HTTPS

techAPJ/onebox,discourse/onebox,billy3321/onebox,techAPJ/onebox,billy3321/onebox,aceofspades/onebox,techAPJ/onebox,billy3321/onebox,fantasticfears/onebox,tarzan/onebox,discourse/onebox,aceofspades/onebox,aceofspades/onebox,riking/onebox,tarzan/onebox,tarzan/onebox