Added QueueManager to process background jobs

app/Job/BaseJob.php

@@ -0,0 +1,33 @@
+<?php
+
+namespace Kanboard\Job;
+
+use Kanboard\Core\Base;
+
+/**
+ * Class BaseJob
+ *
+ * @package Kanboard\Job
+ * @author  Frederic Guillot
+ */
+abstract class BaseJob extends Base
+{
+    /**
+     * Job parameters
+     *
+     * @access protected
+     * @var array
+     */
+    protected $jobParams = array();
+
+    /**
+     * Get job parameters
+     *
+     * @access public
+     * @return array
+     */
+    public function getJobParams()
+    {
+        return $this->jobParams;
+    }
+}