Update jquery.infinitescroll to latest (supposed to be v2.0b.120.520, see https://github.com/paulirish/infinite-scroll/issues/441), update manual behavior to latest.
Update jquery.infinitescroll URL.
Fix infinitescroll manual behavior.
Update URL source once more just to be sure.
Merge branch 'feature/update-infinitescroll-to-latest' into develop