enyojs/moonstone — pull request #1539 by ryanjduffy (2014-08-19 19:01:15+00:00)
Title: Fixes BHV-11417

## Issue
Providing invalid `step` values for IntegerPicker breaks the control

## Fix
Add stepChanged to perform basic validation

Enyo-DCO-1.1-Signed-off-by: Ryan Duffy