YARN-2841. Merging to branch-2.6 for hadoop-2.6.0-rc1.
YARN-2841. Merging to branch-2.6 for hadoop-2.6.0-rc1.

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