no issue
- part of ember upgrades
- removed all unnecessary usage of `.get`
- cleaned up imports where we had imports from the same module across multiple lines
- standardized on importing specific computed helpers rather than using `computed.foo`
- switched tests from using `wait()` to `settled()`
refs https://github.com/TryGhost/Team/issues/792
- updates product benefit to use `name` instead of `label` attribute for benefit text
- updates model/serializer/validator to correctly handle benefit attributes
- added `+` button for adding new labels as the enter behavior is closing the popup(needs fix)
refs https://github.com/TryGhost/Team/issues/792
- updates product model to read product's list of benefits
- adds transformer to return emberArray with list of product benefits
- adds new model for each product benefit
- adds validator for new product benefit
