updated readme.txt

git-svn-id: https://plugins.svn.wordpress.org/party-hall-booking-management-system/trunk@1038101 b8457f37-d9ea-0310-8a92-e5e31aec5664
updated version

git-svn-id: https://plugins.svn.wordpress.org/party-hall-booking-management-system/trunk@1038102 b8457f37-d9ea-0310-8a92-e5e31aec5664