enyojs/enyo — pull request #531 by unwiredben (2013-10-29 22:16:58+00:00)
Title: Unbreak TransitionScrollStrategy

This was broken by the change that added fixedTime and frame
properties to TouchScrollStrategy; the observers for those
properties assumed that scrollMath always existed, but it doesn't
for TransitionScrollStrategy, so we'll guard those calls.

Enyo-DCO-1.1-Signed-Off-By: Ben Combee (ben.combee@lge.com)