vers 4.6

git-svn-id: https://plugins.svn.wordpress.org/amr-ical-events-list/trunk@900126 b8457f37-d9ea-0310-8a92-e5e31aec5664
add changelog note

git-svn-id: https://plugins.svn.wordpress.org/amr-ical-events-list/trunk@900135 b8457f37-d9ea-0310-8a92-e5e31aec5664