TextArea: clarified and fixed runtime error (closes #589)
PropertyProxy: support QName in setProperty and deleteProperty (closes #586)
GroupedList: uses proper typical item from data provider (closes #570)
List, GroupedList: listens for change event on data provider to invalidate outer component (closes #568)
ToggleSwitch: on and off labels can have separate factories (closes #577)
Merge branch 'master' of github.com:joshtynjala/feathers