Add jq to README; fixes #150

Author: morgante

README.md

@@ -190,8 +190,10 @@ Before this module can be used on a project, you must ensure that the following
 The [project factory](https://github.com/terraform-google-modules/terraform-google-project-factory) can be used to provision projects with the correct APIs active and the necessary Shared VPC connections.
 
 ### Software Dependencies
-#### Kubectl
+#### CLI tools
 - [kubectl](https://github.com/kubernetes/kubernetes/releases) 1.9.x
+- [jq](https://stedolan.github.io/jq/) 1.6.x
+
 #### Terraform and Plugins
 - [Terraform](https://www.terraform.io/downloads.html) 0.11.x
 - [terraform-provider-google](https://github.com/terraform-providers/terraform-provider-google) v2.3