Pre 5.0 trunk sync

git-svn-id: https://plugins.svn.wordpress.org/breadcrumb-navxt/trunk@779325 b8457f37-d9ea-0310-8a92-e5e31aec5664
Removing old files

git-svn-id: https://plugins.svn.wordpress.org/breadcrumb-navxt/trunk@779326 b8457f37-d9ea-0310-8a92-e5e31aec5664