Move and clean some templates to a subfolder

app/Template/file/new.php

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+<div class="page-header">
+    <h2><?= t('Attach a document') ?></h2>
+</div>
+
+<form action="<?= Helper\u('file', 'save', array('task_id' => $task['id'])) ?>" method="post" enctype="multipart/form-data">
+    <?= Helper\form_csrf() ?>
+    <input type="file" name="files[]" multiple />
+    <div class="form-help"><?= t('Maximum size: ') ?><?= is_integer($max_size) ? Helper\format_bytes($max_size) : $max_size ?></div>
+    <div class="form-actions">
+        <input type="submit" value="<?= t('Save') ?>" class="btn btn-blue"/>
+        <?= t('or') ?>
+        <?= Helper\a(t('cancel'), 'task', 'show', array('task_id' => $task['id'])) ?>
+    </div>
+</form>

app/Template/file/open.php

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+<div class="page-header">
+    <h2><?= Helper\escape($file['name']) ?></h2>
+    <div class="task-file-viewer">
+        <img src="<?= Helper\u('file', 'image', array('file_id' => $file['id'], 'task_id' => $file['task_id'])) ?>" alt="<?= Helper\escape($file['name']) ?>"/>
+    </div>
+</div>

app/Template/file/remove.php

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+<div class="page-header">
+    <h2><?= t('Remove a file') ?></h2>
+</div>
+
+<div class="confirm">
+    <p class="alert alert-info">
+        <?= t('Do you really want to remove this file: "%s"?', Helper\escape($file['name'])) ?>
+    </p>
+
+    <div class="form-actions">
+        <?= Helper\a(t('Yes'), 'file', 'remove', array('task_id' => $task['id'], 'file_id' => $file['id']), true, 'btn btn-red') ?>
+        <?= t('or') ?>
+        <?= Helper\a(t('cancel'), 'task', 'show', array('task_id' => $task['id'])) ?>
+    </div>
+</div>

app/Template/file/show.php

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+<?php if (! empty($files)): ?>
+<div id="attachments" class="task-show-section">
+
+    <div class="page-header">
+        <h2><?= t('Attachments') ?></h2>
+    </div>
+
+    <ul class="task-show-files">
+    <?php foreach ($files as $file): ?>
+        <li>
+            <?= Helper\a(Helper\escape($file['name']), 'file', 'download', array('task_id' => $task['id'], 'file_id' => $file['id'])) ?>
+            <span class="task-show-file-actions">
+                <?php if ($file['is_image']): ?>
+                    <?= Helper\a(t('open'), 'file', 'open', array('task_id' => $task['id'], 'file_id' => $file['id']), false, 'file-popover') ?>,
+                <?php endif ?>
+                <?= Helper\a(t('remove'), 'file', 'confirm', array('task_id' => $task['id'], 'file_id' => $file['id'])) ?>
+            </span>
+        </li>
+    <?php endforeach ?>
+    </ul>
+
+</div>
+<?php endif ?>