update hadoop dependency to 2.4.0
update hadoop dependency to 2.4.0

jwang98052/reef,jwang98052/incubator-reef,gyeongin/reef,taegeonum/incubator-reef,dafrista/incubator-reef,dongjoon-hyun/reef,dkm2110/Microsoft-cisl,yunseong/incubator-reef,anupam128/reef,motus/reef,markusweimer/incubator-reef,swlsw/incubator-reef,apache/reef,apache/reef,dafrista/incubator-reef,markusweimer/incubator-reef,dongjoon-hyun/incubator-reef,jwang98052/reef,tcNickolas/reef,shravanmn/reef,dkm2110/Microsoft-cisl,nachocano/incubator-reef,shravanmn/reef,singlis/reef,afchung/incubator-reef,zerg-junior/incubator-reef,DifferentSC/incubator-reef,afchung/reef,jwang98052/incubator-reef,zerg-junior/incubator-reef,yunseong/incubator-reef,shulmanb/reef,shravanmn/reef,tcNickolas/incubator-reef,dougmsft/reef,afchung/incubator-reef,dongjoon-hyun/incubator-reef,jwang98052/reef,yingdachen/incubator-reef,jsjason/incubator-reef,tcNickolas/reef,shulmanb/reef,jwang98052/incubator-reef,tcNickolas/incubator-reef,yingdachen/incubator-reef,yingdachen/incubator-reef,apache/incubator-reef,markusweimer/reef,afchung/incubator-reef,anupam128/reef,swlsw/incubator-reef,tcNickolas/reef,nachocano/incubator-reef,shravanmn/reef,dkm2110/veyor,dkm2110/veyor,markusweimer/reef,markusweimer/reef,apache/incubator-reef,yunseong/incubator-reef,shulmanb/reef,yunseong/incubator-reef,jwang98052/incubator-reef,DifferentSC/incubator-reef,markusweimer/reef,bgchun/incubator-reef,beysims/reef,dafrista/incubator-reef,afchung/incubator-reef,nachocano/incubator-reef,swlsw/incubator-reef,afchung/reef,jsjason/incubator-reef,dougmsft/reef,yunseong/incubator-reef,tcNickolas/reef,jwang98052/reef,dougmsft/reef,gyeongin/reef,dongjoon-hyun/incubator-reef,gyeongin/reef,apache/incubator-reef,beysims/reef,dougmsft/reef,anupam128/reef,yunseong/incubator-reef,tcNickolas/reef,markusweimer/incubator-reef,taegeonum/incubator-reef,yunseong/reef,zerg-junior/incubator-reef,dongjoon-hyun/reef,zerg-junior/incubator-reef,tcNickolas/reef,swlsw/incubator-reef,dougmsft/reef,yingdachen/incubator-reef,nachocano/incubator-reef,anupam128/reef,zerg-junior/incubator-reef,shravanmn/reef,jsjason/incubator-reef,dongjoon-hyun/incubator-reef,bgchun/incubator-reef,singlis/reef,dongjoon-hyun/reef,dkm2110/veyor,motus/reef,yingdachen/incubator-reef,taegeonum/incubator-reef,zerg-junior/incubator-reef,dkm2110/veyor,anupam128/reef,jwang98052/incubator-reef,nachocano/incubator-reef,apache/incubator-reef,jsjason/incubator-reef,dkm2110/Microsoft-cisl,apache/reef,afchung/reef,anupam128/reef,beysims/reef,dongjoon-hyun/reef,gyeongin/reef,singlis/reef,taegeonum/incubator-reef,apache/incubator-reef,dongjoon-hyun/reef,bgchun/incubator-reef,shravanmn/reef,DifferentSC/incubator-reef,beysims/reef,DifferentSC/incubator-reef,markusweimer/reef,dafrista/incubator-reef,shravanmn/reef,motus/reef,DifferentSC/incubator-reef,swlsw/incubator-reef,yunseong/reef,yunseong/reef,taegeonum/incubator-reef,DifferentSC/incubator-reef,swlsw/incubator-reef,afchung/incubator-reef,dongjoon-hyun/reef,DifferentSC/incubator-reef,yingdachen/incubator-reef,jsjason/incubator-reef,jsjason/incubator-reef,yunseong/reef,yunseong/reef,markusweimer/reef,afchung/incubator-reef,tcNickolas/incubator-reef,yingdachen/incubator-reef,shulmanb/reef,apache/reef,beysims/reef,apache/reef,tcNickolas/incubator-reef,apache/reef,jwang98052/incubator-reef,yunseong/reef,gyeongin/reef,anupam128/reef,dougmsft/reef,yunseong/reef,jwang98052/reef,jwang98052/reef,dkm2110/Microsoft-cisl,gyeongin/reef,afchung/incubator-reef,afchung/reef,nachocano/incubator-reef,swlsw/incubator-reef,taegeonum/incubator-reef,markusweimer/incubator-reef,markusweimer/reef,motus/reef,shulmanb/reef,dongjoon-hyun/incubator-reef,nachocano/incubator-reef,markusweimer/incubator-reef,jwang98052/incubator-reef,markusweimer/incubator-reef,dougmsft/reef,singlis/reef,dafrista/incubator-reef,yunseong/incubator-reef,afchung/reef,motus/reef,gyeongin/reef,tcNickolas/incubator-reef,dkm2110/Microsoft-cisl,dkm2110/veyor,dkm2110/Microsoft-cisl,jsjason/incubator-reef,apache/incubator-reef,tcNickolas/incubator-reef,tcNickolas/reef,bgchun/incubator-reef,singlis/reef,dongjoon-hyun/reef,dongjoon-hyun/incubator-reef,afchung/reef,shulmanb/reef,afchung/reef,apache/incubator-reef,dongjoon-hyun/incubator-reef,dafrista/incubator-reef,singlis/reef,tcNickolas/incubator-reef,dkm2110/veyor,jwang98052/reef,bgchun/incubator-reef,shulmanb/reef,markusweimer/incubator-reef,dafrista/incubator-reef,zerg-junior/incubator-reef,singlis/reef,motus/reef,apache/reef,motus/reef,dkm2110/veyor,dkm2110/Microsoft-cisl