New export functionality.

app/Repositories/ExportJob/ExportJobRepositoryInterface.php

@@ -0,0 +1,38 @@
+<?php
+/**
+ * ExportJobRepositoryInterface.php
+ * Copyright (C) 2016 Sander Dorigo
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace FireflyIII\Repositories\ExportJob;
+
+use FireflyIII\Models\ExportJob;
+
+/**
+ * Interface ExportJobRepositoryInterface
+ *
+ * @package FireflyIII\Repositories\ExportJob
+ */
+interface ExportJobRepositoryInterface
+{
+    /**
+     * @return bool
+     */
+    public function cleanup();
+
+    /**
+     * @return ExportJob
+     */
+    public function create();
+
+    /**
+     * @param $key
+     *
+     * @return ExportJob|null
+     */
+    public function findByKey($key);
+
+}