From: Jeonghyun Yun <jh0506.yun@samsung.com>

From: Jeonghyun Yun <jh0506.yun@samsung.com>
Subject: [E-devel] [Patch] elm_gengrid - added new feature : gengrid
reorder mode

I added a new feature "reorder mode" of gengrid refer to genlist
reorder mode.

After set this reorder API, if user press an item (long press), the item can
be moved another position.
Then if the user releases the item, the item will be reordered in gengrid.

git-svn-id: svn+ssh://svn.enlightenment.org/var/svn/e/trunk/elementary@59892 7cbeb6ba-43b4-40fd-8cce-4c39aea84d33