chore(release): 1.6.0 [skip ci]
chore(release): 1.6.0 [skip ci]

# [1.6.0](https://github.com/datorama/akita/compare/v1.5.0...v1.6.0) (2018-08-21)

### Features

* **dirty-check:** add support for key based check ([ee52619](https://github.com/datorama/akita/commit/ee52619))

salesforce/akita,salesforce/akita,salesforce/akita,salesforce/akita