v5.1.1

Important: if you're upgrading from aet-cookbook versions v5.0.0 or v5.1.0 please follow the instructions in the PR-43 description

• PR-43 that fixes #42.

v5.0.0

* AET release of version 3.0.0

* Apache config (vhost) to proxy Web API requests to Karaf port
* Selenium grid hub upgrade from 3.8.1 to 3.14.0
* Dependant cookbooks upgrade and change for Mongo DB cookbook