From: Hyoyoung Chang <hyoyoung.chang@samsung.com>

From: Hyoyoung Chang <hyoyoung.chang@samsung.com>
Subject: [E-devel] [patch] elm_scroller - add gravity functionality

I made a gravity features for stopping scroller.
Elm_scroller's fixed when child's growing lower.
However if scroller's child is growing upper,
the elm_scroller always moving and waving to upper direction.
Because elm_scroller sets internal pan to keep current virtual position.
Gravity functions introduce to stopping scroller.

SVN revision: 64073