check compatibility: ok

git-svn-id: https://plugins.svn.wordpress.org/category-external-feed-plugin/trunk@988360 b8457f37-d9ea-0310-8a92-e5e31aec5664
and advance version

git-svn-id: https://plugins.svn.wordpress.org/category-external-feed-plugin/trunk@988363 b8457f37-d9ea-0310-8a92-e5e31aec5664