Preparing for 3.6.4 release

git-svn-id: https://plugins.svn.wordpress.org/the-events-calendar-category-colors/trunk@965506 b8457f37-d9ea-0310-8a92-e5e31aec5664
Preparing for 3.6.4 release

git-svn-id: https://plugins.svn.wordpress.org/the-events-calendar-category-colors/trunk@965507 b8457f37-d9ea-0310-8a92-e5e31aec5664