ENYO-339: getAbsoluteBounds now exactly mirrors getBoundingClientRect

This includes rotation and complex transformations. For basic measurements, which disregard for transformed size, just basic DOM measurement, use `enyo.dom.getBounds()`.

_See JIRA2 issue for complete description and images_

Enyo-DCO-1.1-Signed-off-by: Blake Stephens <blake.stephens@lge.com>