changed header of JPetFrame
changed header of JPetFrame


Former-commit-id: 37f3a766ebb2b8da8e4a384f5f17d672a58f8357
kmuzalewska/j-pet-framework,kmuzalewska/j-pet-framework,kmuzalewska/j-pet-framework,kmuzalewska/j-pet-framework,kmuzalewska/j-pet-framework