GH-2: added explicit requirement on java 1.6
GH-2: added explicit requirement on java 1.6

qixiaobo/glu,pongasoft/glu,pongasoft/glu,pongasoft/glu,pongasoft/glu,zedfauji/glu-custom,zedfauji/glu-custom,qixiaobo/glu,qixiaobo/glu,zedfauji/glu-custom,qixiaobo/glu,zedfauji/glu-custom,qixiaobo/glu,pongasoft/glu