N°2847 - Add Title component

* Add id to button factory
 * Rework of Configuration File Editor page

sources/application/UI/Component/Title/Title.php

@@ -0,0 +1,51 @@
+<?php
+/**
+ * @copyright   Copyright (C) 2010-2020 Combodo SARL
+ * @license     http://opensource.org/licenses/AGPL-3.0
+ */
+
+namespace Combodo\iTop\Application\UI\Component\Title;
+
+
+use Combodo\iTop\Application\UI\UIBlock;
+
+/**
+ * Class Title
+ *
+ * @package Combodo\iTop\Application\UI\Component\Title
+ */
+class Title extends UIBlock
+{
+	// Overloaded constants
+	public const BLOCK_CODE = 'ibo-title';
+	public const HTML_TEMPLATE_REL_PATH = 'components/title/layout';
+	public const JS_TEMPLATE_REL_PATH = 'components/title/layout';
+
+	/** @var string */
+	protected $sTitle;
+	/** @var int */
+	protected $iLevel;
+
+	public function __construct(string $sTitle = '', int $iLevel = 1, ?string $sId = null)
+	{
+		parent::__construct($sId);
+		$this->sTitle = $sTitle;
+		$this->iLevel = $iLevel;
+	}
+
+	/**
+	 * @return string
+	 */
+	public function GetTitle(): string
+	{
+		return $this->sTitle;
+	}
+
+	/**
+	 * @return int
+	 */
+	public function GetLevel(): int
+	{
+		return $this->iLevel;
+	}
+}