[Dillo-dev] Flickering is occurring when doing certain things

1. It occurs when having one tab already open with a site in it, opening another site in a new tab, and going back to the previous tab. 2. It occurs on certain pages when scrolling through them. One such page is a page containing screenshots of a Pokemon Episode which can be found by going to http://www.serebii.net/anime/pictures/bestwishes/780ps3.shtml.