Framework-compatible breadcrumbs

Add new options to getCrumbList to allow it to be used to make
breadcrumbs in Twitter Bootstrap or Zurb foundation. Follows the model
of PaginatorHelper

lib/Cake/View/Helper/HtmlHelper.php

@@ -681,13 +681,24 @@ public function getCrumbs($separator = '»', $startText = false) {
  * similar to HtmlHelper::getCrumbs(), so it uses options which every
  * crumb was added with.
  *
+ * ### Options
+ * - 'separator' Separator content to insert in between breadcrumbs, defaults to '»'
+ * - 'firstClass' Class for wrapper tag on the first breadcrumb, defaults to 'first'
+ * - 'lastClass' Class for wrapper tag on current active page, defaults to 'last'
+ *
  * @param array $options Array of html attributes to apply to the generated list elements.
  * @param string|array|boolean $startText This will be the first crumb, if false it defaults to first crumb in array. Can
  *   also be an array, see `HtmlHelper::getCrumbs` for details.
  * @return string breadcrumbs html list
  * @link http://book.cakephp.org/2.0/en/core-libraries/helpers/html.html#creating-breadcrumb-trails-with-htmlhelper
  */
 	public function getCrumbList($options = array(), $startText = false) {
+		$defaults = array('firstClass'=>'first', 'lastClass'=>'last', 'separator' => '');
+		$options += $defaults;
+		$firstClass = $options['firstClass'];
+		$lastClass = $options['lastClass'];
+		$separator = $options['separator'];
+		unset($options['firstClass'], $options['lastClass'], $options['separator']);
 		$crumbs = $this->_prepareCrumbs($startText);
 		if (!empty($crumbs)) {
 			$result = '';
@@ -701,9 +712,12 @@ public function getCrumbList($options = array(), $startText = false) {
 					$elementContent = $this->link($crumb[0], $crumb[1], $crumb[2]);
 				}
 				if ($which == 0) {
-					$options['class'] = 'first';
+					$options['class'] = $firstClass;
 				} elseif ($which == $crumbCount - 1) {
-					$options['class'] = 'last';
+					$options['class'] = $lastClass;
+				}
+				if (!empty($separator) && ($crumbCount - $which >= 2)) {
+					$elementContent .= $separator;
 				}
 				$result .= $this->tag('li', $elementContent, $options);
 			}