Update CHANGES.txt to reflect commit of MR-5982 to 2.7.2
Update CHANGES.txt to reflect commit of MR-5982 to 2.7.2

dongjiaqiang/hadoop,NightWolf007/hadoop,ronny-macmaster/hadoop,JingchengDu/hadoop,sroegner/hadoop,sroegner/hadoop,mapr/hadoop-common,sujeetv/hadoop,WIgor/hadoop,nandakumar131/hadoop,anjuncc/hadoop,pkit/hadoop,jjj117/hadoop,sujeetv/hadoop,anjuncc/hadoop,samuelan/hadoop,samuelan/hadoop,nandakumar131/hadoop,cnfire/hadoop,Winiex/hadoop,nandakumar131/hadoop,legend-hua/hadoop,StephanieMak/hadoop,wenxinhe/hadoop,soumabrata-chakraborty/hadoop,ChetnaChaudhari/hadoop,anjuncc/hadoop,JingchengDu/hadoop,979969786/hadoop,xiao-chen/hadoop,legend-hua/hadoop,f7753/hadoop,ctrezzo/hadoop,Ethanlm/hadoop,cnfire/hadoop,ouyangjie/hadoop,szegedim/hadoop,bitmybytes/hadoop,wwjiang007/hadoop,EdwinChanYi/hadoop,dierobotsdie/hadoop,nandakumar131/hadoop,NightWolf007/hadoop,ctrezzo/hadoop,Ethanlm/hadoop,xiao-chen/hadoop,WIgor/hadoop,EdwinChanYi/hadoop,rohanwaghere/hadoop,lukmajercak/hadoop,StephanieMak/hadoop,legend-hua/hadoop,WIgor/hadoop,adouang/hadoop,djalova/hadoop,ctrezzo/hadoop,apache/hadoop,NightWolf007/hadoop,JingchengDu/hadoop,littlezhou/hadoop,steveloughran/hadoop,plusplusjiajia/hadoop,wwjiang007/hadoop,dongjiaqiang/hadoop,JingchengDu/hadoop,StephanieMak/hadoop,ctrezzo/hadoop,sroegner/hadoop,apurtell/hadoop,laxman-ch/hadoop,rohanwaghere/hadoop,JingchengDu/hadoop,ChetnaChaudhari/hadoop,ronny-macmaster/hadoop,littlezhou/hadoop,EasonYi/hadoop,dongjiaqiang/hadoop,jjj117/hadoop,wwjiang007/hadoop,lzo/hadoop,littlezhou/hadoop,Winiex/hadoop,apache/hadoop,bitmybytes/hadoop,sujeetv/hadoop,Ethanlm/hadoop,legend-hua/hadoop,f7753/hadoop,sujeetv/hadoop,ctrezzo/hadoop,Winiex/hadoop,djalova/hadoop,dierobotsdie/hadoop,odpi/hadoop,plusplusjiajia/hadoop,EasonYi/hadoop,djalova/hadoop,f7753/hadoop,lawrencewu/hadoop,rohanwaghere/hadoop,dierobotsdie/hadoop,djalova/hadoop,samuelan/hadoop,EasonYi/hadoop,NightWolf007/hadoop,EdwinChanYi/hadoop,NightWolf007/hadoop,szegedim/hadoop,f7753/hadoop,plusplusjiajia/hadoop,apache/hadoop,lukmajercak/hadoop,dongjiaqiang/hadoop,ronny-macmaster/hadoop,odpi/hadoop,lukmajercak/hadoop,979969786/hadoop,ouyangjie/hadoop,xiao-chen/hadoop,Ethanlm/hadoop,samuelan/hadoop,nandakumar131/hadoop,GeLiXin/hadoop,szegedim/hadoop,laxman-ch/hadoop,sujeetv/hadoop,adouang/hadoop,pkit/hadoop,dierobotsdie/hadoop,ucare-uchicago/hadoop,ucare-uchicago/hadoop,jjj117/hadoop,djalova/hadoop,djalova/hadoop,lawrencewu/hadoop,JingchengDu/hadoop,odpi/hadoop,dennishuo/hadoop,lukmajercak/hadoop,huafengw/hadoop,plusplusjiajia/hadoop,soumabrata-chakraborty/hadoop,dennishuo/hadoop,mapr/hadoop-common,huafengw/hadoop,GeLiXin/hadoop,steveloughran/hadoop,WIgor/hadoop,979969786/hadoop,lzo/hadoop,pkit/hadoop,979969786/hadoop,pkit/hadoop,xiao-chen/hadoop,wenxinhe/hadoop,apurtell/hadoop,odpi/hadoop,plusplusjiajia/hadoop,EdwinChanYi/hadoop,ronny-macmaster/hadoop,wwjiang007/hadoop,GeLiXin/hadoop,bitmybytes/hadoop,ronny-macmaster/hadoop,steveloughran/hadoop,huafengw/hadoop,sroegner/hadoop,ChetnaChaudhari/hadoop,xiao-chen/hadoop,EasonYi/hadoop,StephanieMak/hadoop,soumabrata-chakraborty/hadoop,dongjiaqiang/hadoop,ronny-macmaster/hadoop,huafengw/hadoop,legend-hua/hadoop,StephanieMak/hadoop,Winiex/hadoop,979969786/hadoop,ChetnaChaudhari/hadoop,ucare-uchicago/hadoop,lukmajercak/hadoop,littlezhou/hadoop,EdwinChanYi/hadoop,Ethanlm/hadoop,mapr/hadoop-common,dennishuo/hadoop,odpi/hadoop,dierobotsdie/hadoop,sroegner/hadoop,bitmybytes/hadoop,sroegner/hadoop,bitmybytes/hadoop,nandakumar131/hadoop,mapr/hadoop-common,EdwinChanYi/hadoop,apurtell/hadoop,f7753/hadoop,steveloughran/hadoop,adouang/hadoop,cnfire/hadoop,pkit/hadoop,WIgor/hadoop,GeLiXin/hadoop,lzo/hadoop,samuelan/hadoop,lzo/hadoop,jjj117/hadoop,jjj117/hadoop,wenxinhe/hadoop,dongjiaqiang/hadoop,soumabrata-chakraborty/hadoop,dennishuo/hadoop,f7753/hadoop,wenxinhe/hadoop,xiao-chen/hadoop,littlezhou/hadoop,soumabrata-chakraborty/hadoop,ouyangjie/hadoop,apurtell/hadoop,apache/hadoop,dennishuo/hadoop,nandakumar131/hadoop,littlezhou/hadoop,mapr/hadoop-common,ucare-uchicago/hadoop,laxman-ch/hadoop,ronny-macmaster/hadoop,NightWolf007/hadoop,lukmajercak/hadoop,jjj117/hadoop,legend-hua/hadoop,apurtell/hadoop,Ethanlm/hadoop,laxman-ch/hadoop,szegedim/hadoop,wenxinhe/hadoop,adouang/hadoop,ctrezzo/hadoop,ucare-uchicago/hadoop,mapr/hadoop-common,ChetnaChaudhari/hadoop,lawrencewu/hadoop,bitmybytes/hadoop,anjuncc/hadoop,rohanwaghere/hadoop,legend-hua/hadoop,odpi/hadoop,EasonYi/hadoop,anjuncc/hadoop,lukmajercak/hadoop,huafengw/hadoop,JingchengDu/hadoop,rohanwaghere/hadoop,xiao-chen/hadoop,Winiex/hadoop,plusplusjiajia/hadoop,dongjiaqiang/hadoop,adouang/hadoop,samuelan/hadoop,soumabrata-chakraborty/hadoop,Winiex/hadoop,apache/hadoop,NightWolf007/hadoop,dennishuo/hadoop,lzo/hadoop,szegedim/hadoop,pkit/hadoop,steveloughran/hadoop,lzo/hadoop,wwjiang007/hadoop,mapr/hadoop-common,979969786/hadoop,wenxinhe/hadoop,GeLiXin/hadoop,lawrencewu/hadoop,cnfire/hadoop,apache/hadoop,djalova/hadoop,dierobotsdie/hadoop,adouang/hadoop,bitmybytes/hadoop,sroegner/hadoop,StephanieMak/hadoop,cnfire/hadoop,apurtell/hadoop,ouyangjie/hadoop,apache/hadoop,lawrencewu/hadoop,pkit/hadoop,ctrezzo/hadoop,lzo/hadoop,sujeetv/hadoop,adouang/hadoop,rohanwaghere/hadoop,huafengw/hadoop,szegedim/hadoop,cnfire/hadoop,ouyangjie/hadoop,soumabrata-chakraborty/hadoop,huafengw/hadoop,ChetnaChaudhari/hadoop,EdwinChanYi/hadoop,anjuncc/hadoop,EasonYi/hadoop,wwjiang007/hadoop,plusplusjiajia/hadoop,ucare-uchicago/hadoop,lawrencewu/hadoop,EasonYi/hadoop,laxman-ch/hadoop,WIgor/hadoop,dierobotsdie/hadoop,dennishuo/hadoop,GeLiXin/hadoop,Ethanlm/hadoop,laxman-ch/hadoop,sujeetv/hadoop,wwjiang007/hadoop,wenxinhe/hadoop,littlezhou/hadoop,samuelan/hadoop,ChetnaChaudhari/hadoop,ouyangjie/hadoop,rohanwaghere/hadoop,cnfire/hadoop,szegedim/hadoop,StephanieMak/hadoop,odpi/hadoop,Winiex/hadoop,steveloughran/hadoop,laxman-ch/hadoop,ouyangjie/hadoop,anjuncc/hadoop,jjj117/hadoop,apurtell/hadoop,GeLiXin/hadoop,WIgor/hadoop,ucare-uchicago/hadoop,979969786/hadoop,f7753/hadoop,steveloughran/hadoop,lawrencewu/hadoop