I would like to disable the console messages that ECJ prints when running, more precisally this message. How can I do this??

| An evolutionary computation system (version 20)
| By Sean Luke
| Contributors: L. Panait, G. Balan, S. Paus, Z. Skolicki, R. Kicinger, E. Popovici,
|               K. Sullivan, J. Harrison, J. Bassett, R. Hubley, A. Desai, A. Chircop,
|               J. Compton, W. Haddon, S. Donnelly, B. Jamil, J. Zelibor, E. Kangas,
|               F. Abidi, H. Mooers, and J. O'Beirne
| URL: http://cs.gmu.edu/~eclab/projects/ecj/
| Mail: [log in to unmask]
|       (better: join ECJ-INTEREST at URL above)
| Date: December 15, 2010
| Current Java: 1.7.0_21 / Java HotSpot(TM) 64-Bit Server VM-23.21-b01
| Required Minimum Java: 1.4

Threads:  breed/1 eval/1
Seed: -373420576
Setting up
Initializing Generation 0
On reading subpopulation from text stream, the subpopulation size didn't match.
Had to resize and use newIndividual() instead of readIndividual().
Subpop 0 best fitness of generation: Fitness: 2.3705971
Generation 1 ....