add jdk6 setting
add jdk6 setting

nvoron23/scalding,epishkin/scalding,MansurAshraf/scalding,tdyas/scalding,wanyifu/scaldingtest,twitter/scalding,AaroC357/scalding,sid-kap/scalding,oeddyo/scalding,avp1984/scalding,rubanm/scalding,nvoron23/scalding,rubanm/scalding,sriramkrishnan/scalding,benpence/scalding,f7753/scalding,bmyerz/scalding,vidyar/twitterscalding,lucamilanesio/scalding,Chasego/scalding,jzmq/scalding,cchepelov/scalding,benpence/scalding,aposwolsky/scalding,twitter/scalding,nkhuyu/scalding,piyushnarang/scalding,chrismoulton/scalding,MansurAshraf/scalding,jzmq/scalding,sriramkrishnan/scalding,sunilrebel/scalding,tglstory/scalding,cchepelov/scalding,epishkin/scalding,tglstory/scalding,cauchycui/scalding,MansurAshraf/scalding,piyushnarang/scalding,benpence/scalding,Chasego/scalding,JiJiTang/scalding,f7753/scalding,tdyas/scalding,jzmq/scalding,vidyar/twitterscalding,lucamilanesio/scalding,wanyifu/scaldingtest,bmyerz/scalding,tdyas/scalding,sunilrebel/scalding,oeddyo/scalding,cchepelov/scalding,tresata/scalding,bmyerz/scalding,aposwolsky/scalding,tglstory/scalding,nkhuyu/scalding,cauchycui/scalding,zirpins/scalding,JiJiTang/scalding,avp1984/scalding,sid-kap/scalding,aposwolsky/scalding,AaroC357/scalding,sriramkrishnan/scalding,bendridi/scalding,wanyifu/scaldingtest,JiJiTang/scalding,oeddyo/scalding,bendridi/scalding,danosipov/scalding,chrismoulton/scalding,zirpins/scalding,soundcloud/scalding,twitter/scalding,tresata/scalding,nvoron23/scalding,bendridi/scalding,chrismoulton/scalding,cauchycui/scalding,AaroC357/scalding,Chasego/scalding,tresata/scalding,soundcloud/scalding,danosipov/scalding,piyushnarang/scalding,lucamilanesio/scalding,soundcloud/scalding,rubanm/scalding,danosipov/scalding,sid-kap/scalding,sunilrebel/scalding,zirpins/scalding,nkhuyu/scalding,f7753/scalding,avp1984/scalding