Rename section object tests to work with upcoming autoload-template feature. Clean up code to match style.

examples/section_objects/SectionObjects.php

@@ -0,0 +1,16 @@
+<?php
+
+class SectionObjects extends Mustache {
+	public $start = "It worked the first time.";
+
+	public function middle() {
+		return new SectionObject;
+	}
+
+	public $final = "Then, surprisingly, it worked the final time.";
+}
+
+class SectionObject {
+	public $foo = 'And it worked the second time.';
+	public $bar = 'As well as the third.';
+}