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Order Categories and all custom taxonomies terms using a Drag and Drop Sortable javascript capability. No Theme update is required the code will change the query on the fly. If multiple taxonomies are created for a custom post type, a menu will allow to chose the one you need sorted. If child categories (terms) are define, tose can be sorder too using the same interface
Also you can have the admin terms interface sorted per your new sort.
This plugin it's developed by Nsp-Code