This work was supported in part by the Polish Ministry of Science under Contract No. N N202 328234, by the Academy of Finland and University of Jyväskylä within the FIDIPRO programme, and by the U.S. Department of Energy under Contract Nos. DE-FC02-07ER41457 (UNEDF SciDAC Collaboration), DE-FG02-96ER40963 (University of Tennessee), and DE-FG05-87ER40361 (Joint Institute for Heavy Ion Research).