feat(errors): show general error message on front-end validation error
chore(merge): merge branch 'rest-test'

Intermediate merge to get changes related to configurable ci db.
test(errors): test generic error message
chore(build): export variables as early as possible

LIIPI_DB default value was not forwarded to psql-init-db.sh in build-release.sh and e2e-protractor.sh.
feat(ports): view facility ports
chore(datasource): set default connections to 2

One for app, one for flyway. In normal test run three hikari pools are created, so the total amount of connection is 6.
feat(ports): view ports reviewed
feat(ports): bicycle ports
test(ports): test bicycle port
test(ports): test port view modal
Merge pull request #64 from HSLdevcom/view-ports

View ports
chore(merge): merge commit '7fec39' into rest-test