HADOOP-10880. Move HTTP delegation tokens out of URL querystring to a header. (tucu)
Fixing CHANGES.txt, moving HADOOP-8815 to 2.6.0 release
Fix up CHANGES.txt for HDFS-6134, HADOOP-10150 and related JIRAs following merge to branch-2

Conflicts:
	hadoop-common-project/hadoop-common/CHANGES.txt
	hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
	hadoop-mapreduce-project/CHANGES.txt

Conflicts:
	hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
Fix typos in log messages. Contributed by Ray Chiang
HDFS-6865. Byte array native checksumming on client side. Contributed by James Thomas.
HADOOP-11005. Fix HTTP content type for ReconfigurationServlet. Contributed by Lei Xu.
HADOOP-11013. CLASSPATH handling should be consolidated, debuggable (aw)
HADOOP-10880. Move HTTP delegation tokens out of URL querystring to a header. (tucu)
Fixing CHANGES.txt, moving HADOOP-8815 to 2.6.0 release
Fix up CHANGES.txt for HDFS-6134, HADOOP-10150 and related JIRAs following merge to branch-2

Conflicts:
	hadoop-common-project/hadoop-common/CHANGES.txt
	hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
	hadoop-mapreduce-project/CHANGES.txt

Conflicts:
	hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
Fix typos in log messages. Contributed by Ray Chiang
Merge remote-tracking branch 'apache-commit/trunk' into HDFS-6581

Conflicts:
	hadoop-common-project/hadoop-common/CHANGES.txt