Update dependencies to enable Greenkeeper 🌴 (#99)

* chore(package): update dependencies

* docs(readme): add Greenkeeper badge

Author: greenkeeper[bot]

CHANGELOG.md

@@ -1,3 +1,8 @@
+## [1.4.3] - 2018-7-21
+### Updated
+- Integrating greenkeeper
+- Updating several packages
+
 ## [1.4.2] - 2018-7-13
 ### Fixed
 - Fixing issue with freezeImage command

README.md

@@ -7,7 +7,7 @@ Regression Testing suite!
 <br>
 
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-[![npm version](https://badge.fury.io/js/differencify.svg)](https://badge.fury.io/js/differencify)
+[![npm version](https://badge.fury.io/js/differencify.svg)](https://badge.fury.io/js/differencify) [![Greenkeeper badge](https://badges.greenkeeper.io/NimaSoroush/differencify.svg)](https://greenkeeper.io/)
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