An extension, which can be used with Base.build to add context alignment 
positioning support to a Widget class. It adds viewport 
or element based alignment and centering. It requires the "widget-position"
extension, which provides basic XY support, to be added to the class first.

3.1.1

* No changes

3.1.0

Renamed module from widget-position-ext to widget-position-align

3.0.0

No Changes

3.0.0 beta 1

No Changes

3.0.0PR2 - Initial release

