Admincenter Addon Navigation
Admincenter Addon Navigation Fix

added Admincenter Link
Default Categorys are displayed in all languages
Admincenter Addon Navigation Fix #2
Added sort field to Addon Categories

added sort field to addon_categories in installer
Added Translations

added translated Addon Category Names to admin/addons.php
added missing , in Installer
Merge pull request #19 from pyst4r/Admincenter-Navigation

Admincenter Addon Navigation