shortened the description

git-svn-id: https://plugins.svn.wordpress.org/igumbi-online-booking/trunk@906806 b8457f37-d9ea-0310-8a92-e5e31aec5664
bump Version

git-svn-id: https://plugins.svn.wordpress.org/igumbi-online-booking/trunk@906807 b8457f37-d9ea-0310-8a92-e5e31aec5664