Add task links (Merge pull-request #610)

app/Template/link/index.php

@@ -0,0 +1,30 @@
+<div class="page-header">
+    <h2><?= t('Link labels') ?></h2>
+</div>
+
+<section>
+<?php if (! empty($links)): ?>
+<table>
+    <tr>
+        <th width="70%"><?= t('Link labels') ?></th>
+        <th><?= t('Actions') ?></th>
+    </tr>
+    <?php foreach ($links as $link): ?>
+    <tr>
+        <td><?= t($this->e($link['label'])) ?><?php if (isset($link['label_inverse']) && !empty($link['label_inverse'])): ?> | <?= t($this->e($link['label_inverse'])) ?><?php endif ?></td>
+        <td>
+            <ul>
+                <?= $this->a(t('Edit'), 'link', 'edit', array('link_id' => $link['link_id'], 'project_id' => $link['project_id'])) ?>
+                <?= t('or') ?>
+                <?= $this->a(t('Remove'), 'link', 'confirm', array('link_id' => $link['link_id'], 'project_id' => $link['project_id'])) ?>
+            </ul>
+        </td>
+    </tr>
+    <?php endforeach ?>
+</table>
+<?php else: ?>
+    <?= t('There is no link yet.') ?>
+<?php endif ?>
+</section>
+
+<?= $this->render('link/edit', array('values' => $values, 'errors' => $errors, 'project' => $project)) ?>