Fixing failing travis build specifying java and base image
Fixing failing travis build specifying java and base image

Signed-off-by: Maiero <2b73509565f5b07fd88cb0c94e2832558b2a0b6e@eurotech.com>

nicolatimeus/kura,ctron/kura,ctron/kura,nicolatimeus/kura,ctron/kura,nicolatimeus/kura,ctron/kura,ctron/kura,nicolatimeus/kura,nicolatimeus/kura,ctron/kura,nicolatimeus/kura