Update changelog

git-svn-id: https://plugins.svn.wordpress.org/am-events/trunk@809190 b8457f37-d9ea-0310-8a92-e5e31aec5664
Change version number

git-svn-id: https://plugins.svn.wordpress.org/am-events/trunk@809192 b8457f37-d9ea-0310-8a92-e5e31aec5664