update wicket version to 1.5.2
update wicket version to 1.5.2

wro4j/wro4j,dacofr/wro4j,wro4j/wro4j,dacofr/wro4j,dacofr/wro4j,dacofr/wro4j,UAK-35/wro4j,UAK-35/wro4j,wro4j/wro4j,UAK-35/wro4j,UAK-35/wro4j