Change Consul configuration update policy

- At startup default config is applied
- Configuration is updated in intervals given at VES-HV
service startup to allow dynamic changes
- Included consul service startup in docker-compose file
- VES-HV now exits when fails to acquire confguration from consul

Closes ONAP-229

Change-Id: I896cfd177fa45381f9822278c2dffc113dd3df72
Signed-off-by: jakub.dudycz@nokia.com
Issue-ID: DCAEGEN2-601
14 files changed