Codecrew / Moya

Fix logging in with invalid password, and other ui error handlings

See merge request !410

Bump maven versions

See merge request !409

Findbugs fixes

See merge request !407

DB changes.

See merge request !406

Add allergies to user preferences

See merge request !405

swagger now supports openapi v3 specification

swagger now supports openapi v3 specification

The need for custom platform was removed when we changed the json-datatype to
jsonb, which allows direct comparisons

Postgresql has accepted jsonb type since 9.4. This change allows
us to directly compare json-fields in optimistic concurrency-locking,
which allows us to remove the custom MoyaPostgreSQLPlatform

If user had metadata, the old code for example added a  after _each_ <li> tag
which broke for example the menu in funny ways

This was a copy-paste snippet in multiple places, where findbugs reported
error on ignoring the result of read() function.
Making this an utility we can make sure that it works as expected ( and clean up code)

Found with findbugs

Comment the test-n-build, which is called from maven out, as a quick fix

Revert MenuItemFacade changes, accidentally merged from angular branch

See merge request !404

…feature/folderStructure