update deliteful version
ProgressBar updates
* Follow HTML5 progress element specification:
- changes value and max behavior,
- removes the min property,
- introduce the position property.
* Enforces template attach points.
* Removes call to validateProperties() in refreshRendering: now enforces init value validation in startup.
* Switch to JSDoc.
fix jshint build error.
Convert list renderer to use templates, as requested in
https://github.com/ibm-js/deliteful/issues/35.
Fix List user documentation.
Fix jshint issues in tests.
fix README license reference
Add ProgressIndicator user documentation
Support for ES7 Array.observe().