Advanced Settings > Medias - Added: Delete Thumbs

I know from searching the code that there is this option hidden somewhere else in the backend, i couldn't find it though. Therefor i suggest for better usability to add it over here as well.

themes/admin/views/setting/technical.php

@@ -116,6 +116,17 @@
 							<input <?php if($media_thumb_unsharp == 1) :?>checked="checked" <?php endif ;?> name="media_thumb_unsharp" id="media_thumb_unsharp"  class="inputcheckbox" type="checkbox" value="1" />
 						</dd>
 					</dl>
+
+					<dl class="small">
+						<dt>
+							<a class="button light check-btn" id="media_thumbs_delete" href="javascript:void(0)" onclick="ION.sendData('media/delete_all_thumbs', true)">
+								<i class="icon-pictures"></i><?php echo lang('ionize_title_delete_thumbs'); ?>
+							</a>
+						</dt>
+						<dd>
+							<?php echo lang('ionize_text_delete_thumbs'); ?>
+						</dd>
+					</dl>					
 
 				</div>