Fixing links

Author: lostintangent

README.md

@@ -10,8 +10,8 @@ This plugin provides client-side integration for the [CodePush service](http://c
     * [Plugin Configuration](#plugin-configuration-ios)
 * [Android Setup](#android-setup)
     * [Plugin Installation](#plugin-installation-android)
-    * [Plugin Configuration (React Native < v0.18.0)](#plugin-configuration-android)
-    * [Plugin Configuration (React Native 0.18.0+)](#plugin-configuration-android)
+    * [Plugin Configuration (React Native < v0.18.0)](#plugin-configuration-android---react-native--v0180)
+    * [Plugin Configuration (React Native 0.18.0+)](#plugin-configuration-android---react-native-v0180)
 * [Plugin Usage](#plugin-usage)
 * [Releasing Updates (JavaScript-only)](#releasing-updates-javascript-only)
 * [Releasing Updates (JavaScript + images)](#releasing-updates-javascript--images)