agile-security: adding database entity type

  > v3.7.3
  > .travis: use ARG to redefine baseimage
  > use ARG for Docker base image
  > v3.7.2
  > update port to db entity
  > v3.7.1
  > Add port to database configuration (#17)
  > v3.7.0
  > add database entity type but hidden, to support agile-sql
  > v3.6.0
  > lint
  > Merge pull request #14 from Agile-IoT/agile-ui-config

Change-type: patch
Signed-off-by: Csaba Kiraly <[email protected]>

Author: cskiraly