Added filtering of scrolling loaded results on homepage

Subclassed xhr send that replaces onreadstatechange with funciton that
performs a delayed reparse of page.
Revert "Added filtering of scrolling loaded results on homepage"

This reverts commit dd2babbd3296aeb031fc8d197b0e836fc4d7be1e.
Added filtering of scrolling loaded results

Subclassed xhr send with function that replaces onreadystatechange with
function that performs a delayed reparse of the page, refiltering it.