FRINX-machine v1.5

Main changes:
used KrakenD instead of API Gateway
optimized worker polling in fm-base-workers

Used components:
uniconfig:4.2.6.frinx
fm-base-workers:1.0.9
krakend:1.2.0
elasticsearch:6.7.1
frinx-dashboard:1.0.1
postgres:12.2
workflow-proxy:1.0.3
uniconfig-ui:2.0.3