Deprecate Observable, add ChangeNotifier, setup travis (#11) * Deprecate Observable, setup Travis * Make changes suggested via review * Update .travis.yml Remove stable branch, as `collection` dependency won't resolve on it.
Support for detecting and being notified when an object is mutated.
There are two general ways to detect changes:
Observable.changes and be notified when an object changesDiffer.diff to determine changes between two objects