Update Changelog, etc for 2.1.0

Author: Dan Richelson

CHANGELOG.md

@@ -1,6 +1,13 @@
 # Change log
 
-All notable changes to the LaunchDarkly Java SDK will be documented in this file. This project adheres to [Semantic Versioning](http://semver.org).
+All notable changes to the LaunchDarkly PHP SDK will be documented in this file. This project adheres to [Semantic Versioning](http://semver.org).
+
+## [2.1.0] - 2017-03-23
+### Changed
+- Allow FeatureRequester to be injected into the client. Thanks @abacaphiliac!
+- Allow Predis\Client to be overriden in LDDFeatureRequester. Thanks @abacaphiliac!
+- Use logger interface method instead of Monolog method. Thanks @abacaphiliac!
+- Improve type hinting for default. Thanks @jdrieghe!
 
 ## [2.0.7] - 2017-03-03
 ### Changed

VERSION

@@ -1 +1 @@
-2.0.7
+2.1.0

src/LaunchDarkly/LDClient.php

@@ -10,7 +10,7 @@
  */
 class LDClient {
     const DEFAULT_BASE_URI = 'https://app.launchdarkly.com';
-    const VERSION = '2.0.7';
+    const VERSION = '2.1.0';
 
     /** @var string */
     protected $_sdkKey;