HADOOP-12415. Add io.netty dependency to hadoop-nfs and to hadoop-hdfs, needed to build Bigtop successfuly, see BIGTOP-2049

Signed-off-by: Konstantin Boudnik <cos@boudnik.org>
(cherry picked from commit b4c6b511e7)

hadoop-common-project/hadoop-nfs/pom.xml

@@ -81,6 +81,11 @@
       <artifactId>slf4j-log4j12</artifactId>
       <scope>runtime</scope>
     </dependency>
+    <dependency>
+      <groupId>io.netty</groupId>
+      <artifactId>netty</artifactId>
+      <scope>compile</scope>
+    </dependency>
     <dependency>
       <groupId>com.google.guava</groupId>
       <artifactId>guava</artifactId>

hadoop-hdfs-project/hadoop-hdfs/pom.xml

@@ -173,6 +173,11 @@ http://maven.apache.org/xsd/maven-4.0.0.xsd">
       <artifactId>xmlenc</artifactId>
       <scope>compile</scope>
     </dependency>
+    <dependency>
+      <groupId>io.netty</groupId>
+      <artifactId>netty</artifactId>
+      <scope>compile</scope>
+    </dependency>
     <dependency>
       <groupId>io.netty</groupId>
       <artifactId>netty-all</artifactId>