[Stream] Rename (ReadableStream|WritableStream){ => Interface}

For the record, I disagree with this. But I will cry in my corner for this
one.

Author: igorw

Buffer.php

@@ -4,9 +4,9 @@
 
 use Evenement\EventEmitter;
 use React\EventLoop\LoopInterface;
-use React\Stream\WritableStream;
+use React\Stream\WritableStreamInterface;
 
-class Buffer extends EventEmitter implements WritableStream
+class Buffer extends EventEmitter implements WritableStreamInterface
 {
     public $stream;
     public $listening = false;

ReadableStream.php ReadableStreamInterface.phpReadableStream.php renamed to ReadableStreamInterface.php

@@ -5,11 +5,11 @@
 use Evenement\EventEmitterInterface;
 
 // Events: data, end, error, close
-interface ReadableStream extends EventEmitterInterface
+interface ReadableStreamInterface extends EventEmitterInterface
 {
     public function isReadable();
     public function pause();
     public function resume();
     public function close();
-    public function pipe(WritableStream $dest, array $options = array());
+    public function pipe(WritableStreamInterface $dest, array $options = array());
 }

Stream.php

@@ -5,7 +5,7 @@
 use Evenement\EventEmitter;
 use React\EventLoop\LoopInterface;
 
-class Stream extends EventEmitter implements ReadableStream, WritableStream
+class Stream extends EventEmitter implements ReadableStreamInterface, WritableStreamInterface
 {
     public $bufferSize = 4096;
     public $stream;
@@ -104,7 +104,7 @@ public function end($data = null)
         $this->buffer->end($data);
     }
 
-    public function pipe(WritableStream $dest, array $options = array())
+    public function pipe(WritableStreamInterface $dest, array $options = array())
     {
         Util::pipe($this, $dest, $options);
 

Util.php

@@ -6,7 +6,7 @@
 
 class Util
 {
-    public static function pipe(ReadableStream $source, WritableStream $dest, array $options = array())
+    public static function pipe(ReadableStreamInterface $source, WritableStreamInterface $dest, array $options = array())
     {
         // TODO: use stream_copy_to_stream
         // it is 4x faster than this

WritableStream.php WritableStreamInterface.phpWritableStream.php renamed to WritableStreamInterface.php

@@ -5,7 +5,7 @@
 use Evenement\EventEmitterInterface;
 
 // Events: drain, error, close, pipe
-interface WritableStream extends EventEmitterInterface
+interface WritableStreamInterface extends EventEmitterInterface
 {
     public function isWritable();
     public function write($data);