HADOOP-13901. Fix ASF License warnings.
HADOOP-13901. Fix ASF License warnings.

apurtell/hadoop,nandakumar131/hadoop,dennishuo/hadoop,plusplusjiajia/hadoop,apache/hadoop,huafengw/hadoop,steveloughran/hadoop,ChetnaChaudhari/hadoop,nandakumar131/hadoop,plusplusjiajia/hadoop,apache/hadoop,JingchengDu/hadoop,GeLiXin/hadoop,979969786/hadoop,Ethanlm/hadoop,littlezhou/hadoop,soumabrata-chakraborty/hadoop,lukmajercak/hadoop,littlezhou/hadoop,plusplusjiajia/hadoop,lukmajercak/hadoop,nandakumar131/hadoop,legend-hua/hadoop,ronny-macmaster/hadoop,wwjiang007/hadoop,ucare-uchicago/hadoop,ronny-macmaster/hadoop,JingchengDu/hadoop,littlezhou/hadoop,wwjiang007/hadoop,steveloughran/hadoop,littlezhou/hadoop,GeLiXin/hadoop,lukmajercak/hadoop,mapr/hadoop-common,apurtell/hadoop,xiao-chen/hadoop,dierobotsdie/hadoop,Ethanlm/hadoop,szegedim/hadoop,steveloughran/hadoop,dennishuo/hadoop,wenxinhe/hadoop,littlezhou/hadoop,mapr/hadoop-common,lukmajercak/hadoop,mapr/hadoop-common,dennishuo/hadoop,JingchengDu/hadoop,legend-hua/hadoop,legend-hua/hadoop,dierobotsdie/hadoop,xiao-chen/hadoop,plusplusjiajia/hadoop,wwjiang007/hadoop,dierobotsdie/hadoop,dierobotsdie/hadoop,JingchengDu/hadoop,legend-hua/hadoop,wenxinhe/hadoop,littlezhou/hadoop,legend-hua/hadoop,GeLiXin/hadoop,Ethanlm/hadoop,wwjiang007/hadoop,ucare-uchicago/hadoop,nandakumar131/hadoop,ctrezzo/hadoop,szegedim/hadoop,wenxinhe/hadoop,mapr/hadoop-common,xiao-chen/hadoop,ctrezzo/hadoop,wenxinhe/hadoop,littlezhou/hadoop,huafengw/hadoop,soumabrata-chakraborty/hadoop,JingchengDu/hadoop,Ethanlm/hadoop,wwjiang007/hadoop,nandakumar131/hadoop,soumabrata-chakraborty/hadoop,979969786/hadoop,mapr/hadoop-common,dierobotsdie/hadoop,steveloughran/hadoop,wwjiang007/hadoop,apache/hadoop,xiao-chen/hadoop,dennishuo/hadoop,szegedim/hadoop,ucare-uchicago/hadoop,nandakumar131/hadoop,ucare-uchicago/hadoop,ChetnaChaudhari/hadoop,wwjiang007/hadoop,Ethanlm/hadoop,ctrezzo/hadoop,soumabrata-chakraborty/hadoop,bitmybytes/hadoop,legend-hua/hadoop,lukmajercak/hadoop,ctrezzo/hadoop,ChetnaChaudhari/hadoop,apurtell/hadoop,szegedim/hadoop,ucare-uchicago/hadoop,979969786/hadoop,lukmajercak/hadoop,szegedim/hadoop,979969786/hadoop,soumabrata-chakraborty/hadoop,ChetnaChaudhari/hadoop,mapr/hadoop-common,ctrezzo/hadoop,apurtell/hadoop,979969786/hadoop,huafengw/hadoop,apache/hadoop,szegedim/hadoop,xiao-chen/hadoop,plusplusjiajia/hadoop,steveloughran/hadoop,xiao-chen/hadoop,huafengw/hadoop,wenxinhe/hadoop,ctrezzo/hadoop,apurtell/hadoop,huafengw/hadoop,bitmybytes/hadoop,ucare-uchicago/hadoop,ronny-macmaster/hadoop,JingchengDu/hadoop,apache/hadoop,ronny-macmaster/hadoop,GeLiXin/hadoop,xiao-chen/hadoop,ctrezzo/hadoop,ChetnaChaudhari/hadoop,979969786/hadoop,GeLiXin/hadoop,legend-hua/hadoop,apache/hadoop,dierobotsdie/hadoop,huafengw/hadoop,soumabrata-chakraborty/hadoop,bitmybytes/hadoop,apurtell/hadoop,apache/hadoop,GeLiXin/hadoop,ChetnaChaudhari/hadoop,wenxinhe/hadoop,dennishuo/hadoop,steveloughran/hadoop,JingchengDu/hadoop,mapr/hadoop-common,ronny-macmaster/hadoop,wenxinhe/hadoop,bitmybytes/hadoop,nandakumar131/hadoop,ronny-macmaster/hadoop,bitmybytes/hadoop,bitmybytes/hadoop,dierobotsdie/hadoop,Ethanlm/hadoop,ronny-macmaster/hadoop,ChetnaChaudhari/hadoop,steveloughran/hadoop,plusplusjiajia/hadoop,huafengw/hadoop,apurtell/hadoop,Ethanlm/hadoop,soumabrata-chakraborty/hadoop,dennishuo/hadoop,lukmajercak/hadoop,bitmybytes/hadoop,plusplusjiajia/hadoop,GeLiXin/hadoop,ucare-uchicago/hadoop,szegedim/hadoop,979969786/hadoop,dennishuo/hadoop