HDFS-4288. NN accepts incremental BR as IBR in safemode. contributed by Daryn Sharp.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1440192 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9249. hadoop-maven-plugins version-info goal causes build failure when running with Clover. Contributed by Chris Nauroth.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1440200 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9221. Convert remaining xdocs to APT. Contributed by Andy Isaacson.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1440245 13f79535-47bb-0310-9956-ffa450edef68
Move HADOOP-9221 to correct section of CHANGES.txt.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1440248 13f79535-47bb-0310-9956-ffa450edef68