adding a changelog entry for 0.2

git-svn-id: https://plugins.svn.wordpress.org/wp-customize/trunk@911822 b8457f37-d9ea-0310-8a92-e5e31aec5664
adding the bullet point for the 0.2 changelog entry

git-svn-id: https://plugins.svn.wordpress.org/wp-customize/trunk@911823 b8457f37-d9ea-0310-8a92-e5e31aec5664