Default port allocations

A list of ports used by Rode and related services. When starting a new component try to pick a port that isn't already in use -- this makes running the entire stack on a single instance easier.

service	ports
rode	50051
grafeas-elasticsearch	8080
rode-ui	3000
collector-harbor	8080
collector-build	8082
collector-sonarqube	8080
collector-coverity	8081
collector-clair	8081
collector-tfsec	8083
new-collector-template	1233 (gRPC), 1234 (HTTP)
enforcer-k8s	8001
Open Policy Agent	8181
Elasticsearch	9200, 9300
Kibana	5601