Add upstream plugins

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

wp-content/plugins/all-in-one-event-calendar/lib/database/exception/database.php

@@ -0,0 +1,29 @@
+<?php
+/**
+ * In case of database update failure this exception is thrown
+ *
+ * @author     Time.ly Network Inc.
+ * @since      2.0
+ *
+ * @package    AI1EC
+ * @subpackage AI1EC.Database.Exception
+ */
+class Ai1ec_Database_Error extends Ai1ec_Exception {
+
+    /**
+     * Override parent method to include tip.
+     *
+     * @return string Message to render.
+     */
+    public function get_html_message() {
+        $message = '<p>' . Ai1ec_I18n::__(
+            'Database update has failed. Please make sure, that database user, defined in <em>wp-config.php</em> has permissions, to make changes (<strong>ALTER TABLE</strong>) to the database.'
+        ) .
+        '</p><p>' . sprintf(
+            Ai1ec_I18n::__( 'Error encountered: %s' ),
+            $this->getMessage()
+        ) . '</p>';
+        return $message;
+    }
+
+}

wp-content/plugins/all-in-one-event-calendar/lib/database/exception/schema.php

@@ -0,0 +1,14 @@
+<?php
+
+/**
+ * In case of database schema modification failure this exception is thrown
+ *
+ * @author     Time.ly Network Inc.
+ * @since      2.0
+ *
+ * @package    AI1EC
+ * @subpackage AI1EC.Database.Exception
+ */
+class Ai1ec_Database_Schema_Exception extends Ai1ec_Exception
+{
+}

wp-content/plugins/all-in-one-event-calendar/lib/database/exception/update.php

@@ -0,0 +1,12 @@
+<?php
+/**
+ * In case of database update failure this exception is thrown
+ *
+ * @author     Time.ly Network Inc.
+ * @since      2.0
+ *
+ * @package    AI1EC
+ * @subpackage AI1EC.Database.Exception
+ */
+class Ai1ec_Database_Update_Exception extends Ai1ec_Exception {
+}