Added getPlayer(String name) to Server

By: Dinnerbone <dinnerbone@dinnerbone.com>

paper-api/src/main/java/org/bukkit/Server.java

@@ -28,6 +28,16 @@ public interface Server {
      */
     public Player[] getOnlinePlayers();
 
+    /**
+     * Gets a player object by the given username
+     *
+     * This method may not return objects for offline players
+     *
+     * @param name Name to look up
+     * @return Player if it was found, otherwise null
+     */
+    public Player getPlayer(String name);
+
     /**
      * Gets the PluginManager for interfacing with plugins
      *