Updated openstack/openstack
Project: openstack/horizon  92ee627815ffd096d814de741f3294044b2c507e

Barchart popup window position is broken

Barchart popup window position is broken with new styles,
need to compute it different way.
Also position while scaling was broken, fixing it too.

Closes-Bug: #1353918
Change-Id: I0151a0b93b8350e4ca3dbe429db66b6171b9d459