HADOOP-9432 Add support for markdown .md files in site documentation

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1502251 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9720. Rename Client#uuid to Client#clientId. Contributed by Arpit Agarwal.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1502301 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4980. Incorrect logging.properties file for hadoop-httpfs. Contributed by Mark Grover.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1502302 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9417.  Support for symlink resolution in LocalFileSystem / RawLocalFileSystem.  (Andrew Wang via Colin Patrick McCabe)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1502307 13f79535-47bb-0310-9956-ffa450edef68
add HADOOP-9417 to CHANGES.txt

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1502310 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9186.  test-patch.sh should report build failure to JIRA.  (Binglin Chang via Colin Patrick McCabe)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1502325 13f79535-47bb-0310-9956-ffa450edef68
update CHANGES.txt to reflect the fact that HADOOP-9186 is only in trunk at the moment

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1502326 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4373. Add HTTP API for querying NameNode startup progress. Contributed by Chris Nauroth.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1502328 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4374. Display NameNode startup progress in UI. Contributed by Chris Nauroth.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1502331 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk-gd
Merge remote branch 'origin/trunk-gd' into fb-HADOOP-9281-trunk-gd