Add new analytic component "Estimated vs actual time per column"

app/Template/analytic/estimated_actual_column.php

@@ -0,0 +1,30 @@
+<?php if (! $is_ajax): ?>
+    <div class="page-header">
+        <h2><?= t('Estimated vs actual time per column') ?></h2>
+    </div>
+<?php endif ?>
+
+<?php if (empty($metrics)): ?>
+    <p class="alert"><?= t('Not enough data to show the graph.') ?></p>
+<?php else: ?>
+    <?= $this->app->component('chart-project-estimated-actual-column', array(
+        'metrics' => $metrics,
+        'labelSpent' => t('Hours Spent'),
+        'labelEstimated' => t('Hours Estimated'),
+    )) ?>
+
+    <table class="table-striped">
+        <tr>
+            <th><?= t('Column') ?></th>
+            <th><?= t('Hours Spent') ?></th>
+            <th><?= t('Hours Estimated') ?></th>
+        </tr>
+        <?php foreach ($metrics as $column): ?>
+            <tr>
+                <td><?= $this->text->e($column['title']) ?></td>
+                <td><?= $this->dt->durationHours($column['hours_spent']) ?></td>
+                <td><?= $this->dt->durationHours($column['hours_estimated']) ?></td>
+            </tr>
+        <?php endforeach ?>
+    </table>
+<?php endif ?>