non-qualified file references fail to resolve

[fehguy]

When prefixing a file reference with ./, references correctly. When missing, they do not

[fehguy]

Looks like this is deep in the GenericRef.java class, in computeRefFormat

[fehguy]

Until this is fixed, we have a work around. It looks like in the "no good deed goes unpunished" category, we added a convenience for a 1.2-style spec, where references did not need the full anchor. So $ref: Entity would be treated as $ref: '#/definitions/Entity'. The problem then is one doesn't know the difference between a file and local references.

As a work around, we will now check references without any path segment in them and a suffix. So this:

$ref: Entity

Will still be treated as this:

$ref: '#/definitions/Entity'

But this:

$ref: Entity.yaml

Will be treated like this:

$ref: ./Entity.yaml