Polymer/paper-menu-button — pull request #38 by zclark (2014-09-05 05:29:08+00:00)
Title: Adding transition for valign bottom

This add the transitions for valign bottom and adjusts the tap ink in the css.
To fine tune the bottom animation further, you would need to reverse the order that the menu items appear by checking the valign property prior to assigning delay offsets. Fixes #37