Merge pull request #1 from Automattic/master

Code Review and Cleanup from WordPress.com VIP

git-svn-id: http://svn.wp-plugins.org/stipple@647950 b8457f37-d9ea-0310-8a92-e5e31aec5664
update to version 0.5.0

git-svn-id: http://svn.wp-plugins.org/stipple@647958 b8457f37-d9ea-0310-8a92-e5e31aec5664