calendarimporter: added exportfeature - not finished yet

TODO: ical creater backend, download

config.php

@@ -1,6 +1,8 @@
 <?php
 	/** Disable the import plugin for all clients */
 	define('PLUGIN_CALENDARIMPORTER_USER_DEFAULT_ENABLE', false);
+	/** Disable the export feature for all clients */
+	define('PLUGIN_CALENDARIMPORTER_USER_DEFAULT_ENABLE_EXPORT', false);
 	
 	/** The default calendar to import to*/
 	define('PLUGIN_CALENDARIMPORTER_DEFAULT', "Default");