Code review comment for lp:~qqworini/ubuntu-rssreader-app/optimization-0

I added a simple algorithm, lets the gridview only loads 10 articles at the beginning, then loads more when it detect about to reach the edge.

> This merge fixes slow image loading too (because if all components are created
> simultaneously they are simultaneously too trying too download their image,
> even components in background. And user must w8)