GD Custom Posts And Taxonomies Tools is plugin for management and tools collection for working with custom posts and taxonomies.
Not with Lite version. Pro version has support for custom permalinks, and also for archives intersections with taxonomies. More about Pro version: http://d4p.me/gdtt
Not with Lite version. Pro version has full support of editing all public (including default) post types and taxonomies. Pro version includes much more features not available in Lite: http://d4p.me/gdtt
Lite version is regularly maintained, but it doesn't include any kind of support beyond bug fixing. If you need support, upgrade plugin to Pro edition and get much more additional features: http://d4p.me/gdtt
You only need POEdit program that works on Windows, Linux and MacOS. Instructions on how to make or update translations are here: http://d4p.me/wa. POT file to start translation is included with the plugin.