Added owner and key control to export & import of components, also added buy and package link building to global options gh-53

admin/sql/updates/mysql/2.3.8.sql

@@ -1 +1 @@
-ALTER TABLE `#__componentbuilder_joomla_component` ADD `export_key` VARCHAR(255) NOT NULL DEFAULT '' AFTER `emptycontributors`;
+ALTER TABLE `#__componentbuilder_joomla_component` ADD `export_key` TEXT NOT NULL AFTER `emptycontributors`;