upgrade to version 1.4.0 (See changelog)



git-svn-id: https://plugins.svn.wordpress.org/ajaxize/trunk@1021717 b8457f37-d9ea-0310-8a92-e5e31aec5664
updated readme for 1.4.0

git-svn-id: https://plugins.svn.wordpress.org/ajaxize/trunk@1021724 b8457f37-d9ea-0310-8a92-e5e31aec5664
updated readme for 1.4.0

git-svn-id: https://plugins.svn.wordpress.org/ajaxize/trunk@1021725 b8457f37-d9ea-0310-8a92-e5e31aec5664