Fix wrong redirect after removing a task from the task view page

app/Controller/TaskSuppressionController.php

@@ -0,0 +1,53 @@
+<?php
+
+namespace Kanboard\Controller;
+
+use Kanboard\Core\Controller\AccessForbiddenException;
+
+/**
+ * Class TaskSuppressionController
+ *
+ * @package Kanboard\Controller
+ * @author  Frederic Guillot
+ */
+class TaskSuppressionController extends BaseController
+{
+    /**
+     * Confirmation dialog box before to remove the task
+     */
+    public function confirm()
+    {
+        $task = $this->getTask();
+
+        if (! $this->helper->user->canRemoveTask($task)) {
+            throw new AccessForbiddenException();
+        }
+
+        $this->response->html($this->template->render('task_suppression/remove', array(
+            'task' => $task,
+            'redirect' => $this->request->getStringParam('redirect'),
+        )));
+    }
+
+    /**
+     * Remove a task
+     */
+    public function remove()
+    {
+        $task = $this->getTask();
+        $this->checkCSRFParam();
+
+        if (! $this->helper->user->canRemoveTask($task)) {
+            throw new AccessForbiddenException();
+        }
+
+        if ($this->task->remove($task['id'])) {
+            $this->flash->success(t('Task removed successfully.'));
+        } else {
+            $this->flash->failure(t('Unable to remove this task.'));
+        }
+
+        $redirect = $this->request->getStringParam('redirect') === '';
+        $this->response->redirect($this->helper->url->to('BoardViewController', 'show', array('project_id' => $task['project_id'])), $redirect);
+    }
+}