upgraded to tomcat 7.0.59 and 8.0.20
upgraded to tomcat 7.0.59 and 8.0.20

akhikhl/gretty,cwardgar/gretty,WilliamRen/gretty,cwardgar/gretty,aya-eiya/gretty,akhikhl/gretty,akhikhl/gretty,cwardgar/gretty,saladinkzn/gretty