Add upstream plugins

Signed-off-by: Adrian Nöthlich <git@promasu.tech>

wp-content/plugins/all-in-one-event-calendar/public/admin/admin_notices.php

@@ -0,0 +1,13 @@
+<?php
+$message_class = isset( $message_type ) ? $message_type : 'updated';
+?>
+<div class="message <?php echo $message_class ?>">
+    <?php if( ! empty( $label ) ) : ?>
+    <h3><?php echo $label ?></h3>
+    <?php endif;  ?>
+    <?php echo $msg ?>
+    <?php if( isset( $button ) ) : ?>
+        <div><input type="button" class="button <?php echo $button->class ?>" value="<?php echo $button->value ?>" /></div>
+        <p></p>
+    <?php endif ?>
+</div>