[DCAEGEN2] Updates for R10

[DCAEGEN2] Updates for R10

By default, disable all dcaegen2 components except
config-binding-service, healthcheck,
and ves-openapi-manager.

Fix DNS name for the ONAP consul instance.

Move mongodb dependency from dcae-bootstrap to dcae-tcagen2.

Fix the generation of the JSON list of expected components for the
healthcheck services. (Previously could have a spurious leading
",")

Update healthcheck-container version to 2.3.0 for
logging enhancements and updated base image.

Issue-ID: DCAEGEN2-2968
Issue-ID: DCAEGEN2-2958
Issue-ID: DCAEGEN2-2983
Signed-off-by: Jack Lucas <jflos@sonoris.net>
Change-Id: I4bcce1d3e43e2e5c7cc2c3179870de72b55d5d2e