Add a link to the -core javadoc in pom.xml

And make the javadoc generate without warning.

Not that there is much of it at the moment, though.

Signed-off-by: Francis Galiegue <fgaliegue@gmail.com>
Remove core exceptions, migrated into -core

Signed-off-by: Francis Galiegue <fgaliegue@gmail.com>
Last remnants of core code removed

Signed-off-by: Francis Galiegue <fgaliegue@gmail.com>
Depend on -core 0.99.2

Signed-off-by: Francis Galiegue <fgaliegue@gmail.com>
Use JsonPointer's .isEmpty()

Signed-off-by: Francis Galiegue <fgaliegue@gmail.com>
Use JsonPointer.of()

Massive code cleanup as a result!

Signed-off-by: Francis Galiegue <fgaliegue@gmail.com>