[ros-diffs] [dgoette] 368: * merge tree/tree_vendor_flat.php and tree/tree_vendor_flat_maintainer.php * merge tree/tree_category_tree.php and tree/tree_category_grouplist_1.php * merge tree/tree_vendor_id.php and tree/tree_vendor_id_maintainer.php * moved category browsing * moved name browsing * moved vendor browsing * move inc/tree to notree (remaining content needs to be moved to other files later) * remove more useless variables * minor fixes