HADOOP-11170. Pulling into branch-2.6 also, fixing CHANGES.txt.
HADOOP-11170. Pulling into branch-2.6 also, fixing CHANGES.txt.

(cherry picked from commit 9ada9284d82fd926e8085e571f953330fc87266f)

zrccxyb62/hadoop,MjAbuz/hadoop,satishpatil2k13/ODPI-Hadoop,intel-hadoop/hadoop,hasonhai/hadoop,zrccxyb62/hadoop,MjAbuz/hadoop,zjshen/hadoop-in-docker,mix/hadoop,zjshen/hadoop-in-docker,myeoje/PhillyYarn,hasonhai/hadoop,myeoje/PhillyYarn,jokes000/hadoop,MjAbuz/hadoop,mix/hadoop,jokes000/hadoop,hasonhai/hadoop,an3m0na/hadoop,huiyi-learning/hadoop,hasonhai/hadoop,satishpatil2k13/ODPI-Hadoop,Microsoft-CISL/hadoop-prototype,mix/hadoop,intel-hadoop/hadoop,Microsoft-CISL/hadoop-prototype,an3m0na/hadoop,zrccxyb62/hadoop,Microsoft-CISL/hadoop-prototype,Microsoft-CISL/hadoop-prototype,intel-hadoop/hadoop,mix/hadoop,intel-hadoop/hadoop,jokes000/hadoop,hasonhai/hadoop,huiyi-learning/hadoop,MjAbuz/hadoop,satishpatil2k13/ODPI-Hadoop,MjAbuz/hadoop,zjshen/hadoop-in-docker,jokes000/hadoop,myeoje/PhillyYarn,zrccxyb62/hadoop,satishpatil2k13/ODPI-Hadoop,MjAbuz/hadoop,satishpatil2k13/ODPI-Hadoop,zrccxyb62/hadoop,satishpatil2k13/ODPI-Hadoop,MjAbuz/hadoop,myeoje/PhillyYarn,an3m0na/hadoop,zjshen/hadoop-in-docker,huiyi-learning/hadoop,satishpatil2k13/ODPI-Hadoop,huiyi-learning/hadoop,intel-hadoop/hadoop,satishpatil2k13/ODPI-Hadoop,Microsoft-CISL/hadoop-prototype,zrccxyb62/hadoop,an3m0na/hadoop,an3m0na/hadoop,an3m0na/hadoop,mix/hadoop,intel-hadoop/hadoop,jokes000/hadoop,hasonhai/hadoop,Microsoft-CISL/hadoop-prototype,zjshen/hadoop-in-docker,huiyi-learning/hadoop,myeoje/PhillyYarn,myeoje/PhillyYarn,mix/hadoop,myeoje/PhillyYarn,hasonhai/hadoop,Microsoft-CISL/hadoop-prototype,zjshen/hadoop-in-docker,huiyi-learning/hadoop,jokes000/hadoop,myeoje/PhillyYarn,huiyi-learning/hadoop,mix/hadoop,Microsoft-CISL/hadoop-prototype,jokes000/hadoop,zrccxyb62/hadoop,an3m0na/hadoop,an3m0na/hadoop,huiyi-learning/hadoop,zjshen/hadoop-in-docker,zjshen/hadoop-in-docker,jokes000/hadoop,mix/hadoop,intel-hadoop/hadoop,hasonhai/hadoop