Refactors Newsletters as per @badshark's comments

lib/Newsletter/Renderer/Blocks/Social.php

@@ -0,0 +1,28 @@
+<?php namespace MailPoet\Newsletter\Renderer\Blocks;
+
+class Social {
+
+  static function render($element) {
+    $iconsBlock = '';
+
+    if(is_array($element['icons'])) {
+      foreach ($element['icons'] as $icon) {
+        $iconsBlock .= '
+        <a href="' . $icon['link'] . '">
+          <img src="' . $icon['image'] . '" width = "32" height = "32"  style="width: 32px; height: 32px;" alt="' . $icon['iconType'] . '">
+        </a>
+        <img src="http://mp3.mailpoet.net/spacer.gif" width = "10" height = "1"  style="	width: 10px; height: 1px;">';
+      }
+    }
+
+    $template = '
+    <tr>
+      <td class="mailpoet_col mailpoet_social" valign="top">
+        <div class="mailpoet_social-icon mailpoet_padded">' . $iconsBlock . ' </div>
+      </td>
+    </tr>';
+
+    return $template;
+  }
+
+}