HADOOP-14187. Update ZooKeeper dependency to 3.4.9 and Curator dependency to 2.12.0. Contributed by Tsuyoshi Ozawa.

hadoop-project/pom.xml

@@ -81,8 +81,8 @@
     <protobuf.version>2.5.0</protobuf.version>
     <protoc.path>${env.HADOOP_PROTOC_PATH}</protoc.path>
 
-    <zookeeper.version>3.4.6</zookeeper.version>
-    <curator.version>2.7.1</curator.version>
+    <zookeeper.version>3.4.9</zookeeper.version>
+    <curator.version>2.12.0</curator.version>
     <findbugs.version>3.0.0</findbugs.version>
 
     <tomcat.version>6.0.48</tomcat.version>