Breadcrumb NavXT uManager 1.2.6

Introducing Breadcrumb NavXT uManager 1.2.6. This version adds support for Breadcrumb NavXT 7.5. Due to refactoring of bcn_breadcrumb_trail::post_hierarchy() in Breadcrumb NavXT 7.5, uManager needed to be updated. Please make sure to update Breadcrumb NavXT uManager before updating to Breadcrumb NavXT 7.5. Users with valid and activated license keys should receive an update notification within the…