Add ReaderOptions for all readers (#338)

Instead of passing every single option down the chain

src/Spout/Reader/ODS/ReaderOptions.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace Box\Spout\Reader\ODS;
+
+use Box\Spout\Reader\ReaderOptionsCommon;
+
+/**
+ * Class ReaderOptions
+ * This class is used to customize the reader's behavior
+ *
+ * @package Box\Spout\Reader\ODS
+ */
+class ReaderOptions extends ReaderOptionsCommon
+{
+    // No extra options
+}