Rename certain namespaces, interfaces and classes.

Now we follow a Symfony2-like naming convention for namespaces, interfaces
and classes sticking with one clear rule.

- Renamed namespaces:

  - Predis\Network
  - Predis\Profiles
  - Predis\Iterators
  - Predis\Options
  - Predis\Commands
  - Predis\Commands\Processors

- Renamed interfaces:

  - Predis\IReplyObject
  - Predis\IRedisServerError
  - Predis\IConnectionFactory
  - Predis\IConnectionParameters
  - Predis\Options\IOption
  - Predis\Options\IClientOptions
  - Predis\Profile\IServerProfile
  - Predis\Pipeline\IPipelineExecutor
  - Predis\Distribution\INodeKeyGenerator
  - Predis\Distribution\IDistributionStrategy
  - Predis\Protocol\IProtocolProcessor
  - Predis\Protocol\IResponseReader
  - Predis\Protocol\IResponseHandler
  - Predis\Protocol\ICommandSerializer
  - Predis\Protocol\IComposableProtocolProcessor
  - Predis\Network\IConnection
  - Predis\Network\IConnectionSingle
  - Predis\Network\IConnectionComposable
  - Predis\Network\IConnectionCluster
  - Predis\Network\IConnectionReplication
  - Predis\Commands\ICommand
  - Predis\Commands\IPrefixable
  - Predis\Command\Processor\ICommandProcessor
  - Predis\Command\Processor\ICommandProcessorChain
  - Predis\Command\Processor\IProcessingSupport

- Renamed Classes:

  - Predis\Commands\Command
  - Predis\Network\ConnectionBase

- Classes moved to different namespaces:

  - Predis\MonitorContext

Meh

lib/Predis/Distribution/DistributionStrategyInterface.php

@@ -0,0 +1,43 @@
+<?php
+
+/*
+ * This file is part of the Predis package.
+ *
+ * (c) Daniele Alessandri <suppakilla@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Predis\Distribution;
+
+/**
+ * A distributor implements the logic to automatically distribute
+ * keys among several nodes for client-side sharding.
+ *
+ * @author Daniele Alessandri <suppakilla@gmail.com>
+ */
+interface DistributionStrategyInterface extends HashGeneratorInterface
+{
+    /**
+     * Adds a node to the distributor with an optional weight.
+     *
+     * @param mixed $node Node object.
+     * @param int $weight Weight for the node.
+     */
+    public function add($node, $weight = null);
+
+    /**
+     * Removes a node from the distributor.
+     *
+     * @param mixed $node Node object.
+     */
+    public function remove($node);
+
+    /**
+     * Gets a node from the distributor using the computed hash of a key.
+     *
+     * @return mixed
+     */
+    public function get($key);
+}