v1.0.0-alpha.3

changes

util
- export domFactory.util object
- add util.assign (just like Object.assign but keeps original descriptors)
- add util.transform (cross-browser HTMLElement.style.transform)

factory
- inject element into factory definition
- add mixins
- add support for window and document as listener targets
- improve error messages

handler
- improve error handling
- improve error messages
- inject element into factory definition
- call factory._reset() (if exists) on subsequent calls to handler.upgradeElement when a factory instance was already created