Cleans up OCIR Docker repos (and their images)

• git clone https://github.com/abhirockzz/ocir-docker-registry-util.git
• cd ocir-docker-registry-util
• chmod +x ocir-get-v2-api-access-token.sh
• get access token for invoking OCIR Docker V2 API
  • edit ocir-get-v2-api-access-token.sh to enter details - registry, ocir_username (admin level credentials) and ocir_auth_token
  • ./ocir-get-v2-api-access-token.sh
  • from the JSON result, save the value for token attribute the result - it will be used in util.properties (next step)
• cd ocir-image-cleanup
• update util.properties

Please enter the correct region in ocir_registry_base attribute

	ocir_registry_base=iad.ocir.io/20180419
	image_prefix_for_deletion=
	oci_tenancy_name=
	ocir_docker_v2_api_access_token=

• mvn clean install
• java -jar target/ocir-util-1.0.0.jar util.properties