update readme.txt

git-svn-id: https://plugins.svn.wordpress.org/indeed-job-importer/trunk@898178 b8457f37-d9ea-0310-8a92-e5e31aec5664
update readme.txt

git-svn-id: https://plugins.svn.wordpress.org/indeed-job-importer/trunk@898182 b8457f37-d9ea-0310-8a92-e5e31aec5664