Use web-thumbnailer to retrieve thumbnails

* requires PHP 5.6
  * use blazy on linklist since a lot more thumbs are retrieved
  * thumbnails can be disabled
  * thumbs size is now 120x120
  * thumbs are now cropped to fit the expected size

Fixes #345 #425 #487 #543 #588 #590

tpl/vintage/configure.html

@@ -128,6 +128,18 @@
           <input type="text" name="apiSecret" id="apiSecret" size="50" value="{$api_secret}" />
         </td>
       </tr>
+      <tr>
+        <td valign="top"><b>Enable thumbnails</b></td>
+        <td>
+          <input type="checkbox" name="enableThumbnails" id="enableThumbnails"
+                 {if="$thumbnails_enabled"}checked{/if}/>
+          <label for="enableThumbnails">
+            &nbsp;<strong>Warning:</strong>
+            If you have a large database, the first retrieval may take a few minutes.
+            It's recommended to visit the picture wall after enabling this feature
+          </label>
+        </td>
+      </tr>
 
       <tr>
         <td></td>

tpl/vintage/linklist.html

@@ -80,7 +80,16 @@
         {loop="$links"}
         <li{if="$value.class"} class="{$value.class}"{/if}>
             <a id="{$value.shorturl}"></a>
-            <div class="thumbnail">{$value.url|thumbnail}</div>
+            {if="$thumbnails_enabled && !empty($value.thumbnail)"}
+                <div class="thumbnail">
+                    <a href="{$value.real_url}">
+                        {ignore}RainTPL hack: put the 2 src on two different line to avoid path replace bug{/ignore}
+                        <img data-src="{$value.thumbnail}#" class="b-lazy"
+                             src="#"
+                             alt="thumbnail" width="{$thumbnails_width}" height="{$thumbnails_height}" />
+                    </a>
+                </div>
+            {/if}
             <div class="linkcontainer">
                 {if="$is_logged_in"}
                     <div class="linkeditbuttons">

tpl/vintage/picwall.html

@@ -15,7 +15,11 @@
         <div id="picwall_container">
             {loop="$linksToDisplay"}
             <div class="picwall_pictureframe">
-        	    {$value.thumbnail}<a href="{$value.real_url}"><span class="info">{$value.title}</span></a>
+                {ignore}RainTPL hack: put the 2 src on two different line to avoid path replace bug{/ignore}
+                <img data-src="{$value.thumbnail}#" class="b-lazy"
+                     src="#"
+                     alt="thumbnail" width="{$thumbnails_width}" height="{$thumbnails_height}" />
+                <a href="{$value.real_url}"><span class="info">{$value.title}</span></a>
                 {loop="$value.picwall_plugin"}
                     {$value}
                 {/loop}