Apply binary PF* commands to BinaryJedis, BinaryShardedJedis

* Apply binary PF* commands to BinaryJedis, BinaryShardedJedis
* binary PF* commands to interface
** pfadd / pfcount : BinaryJedisCommands
** pfmerge : MultiKeyBinaryCommands

src/main/java/redis/clients/jedis/BinaryJedisCommands.java

@@ -211,4 +211,8 @@ public interface BinaryJedisCommands {
     Long bitcount(final byte[] key);
 
     Long bitcount(final byte[] key, long start, long end);
+    
+    Long pfadd(final byte[] key, final byte[]... elements);
+    
+    long pfcount(final byte[] key);
 }