MErge fix:

Revert "removed setReplication() method.  Using super.setReplication() instead (identical)."

This reverts commit 44fb7e6.

Author: jayunit100

src/main/java/org/apache/hadoop/fs/glusterfs/GlusterFileSystem.java

@@ -515,6 +515,10 @@ public short getDefaultReplication(Path path) throws IOException{
         return getReplication(path);
     }
 
+    public boolean setReplication(Path path,short replication) throws IOException{
+        return true;
+    }
+
     public long getBlockSize(Path path) throws IOException{
         long blkSz;
         Path absolute=makeAbsolute(path);