Form editor

- new/edit in forms listing goes to editor
- fixed editor dependencies (via Webpack)
- updated forms table schema
- saving/loading a form works

lib/Form/Block/Html.php

@@ -0,0 +1,23 @@
+<?php
+namespace MailPoet\Form\Block;
+
+class Html {
+
+  static function render($block) {
+    $html = '';
+
+    if(isset($block['params']['text']) && $block['params']['text']) {
+      $text = html_entity_decode($block['params']['text'], ENT_QUOTES);
+    }
+
+    if(isset($block['params']['nl2br']) && $block['params']['nl2br']) {
+      $text = nl2br($text);
+    }
+
+    $html .= '<p class="mailpoet_paragraph">';
+    $html .= $text;
+    $html .= '</p>';
+
+    return $html;
+  }
+}