Supports GET actions for theme switching and deletes. Theme action links abstracted. Style improvements.

git-svn-id: https://plugins.svn.wordpress.org/thx38/trunk@784036 b8457f37-d9ea-0310-8a92-e5e31aec5664
Style improvements: screenshot gallery and active theme.

git-svn-id: https://plugins.svn.wordpress.org/thx38/trunk@784055 b8457f37-d9ea-0310-8a92-e5e31aec5664
Many style and UX improvements with theme overlays. Adds modal experiment.

git-svn-id: https://plugins.svn.wordpress.org/thx38/trunk@784157 b8457f37-d9ea-0310-8a92-e5e31aec5664
Design updates to the details modal, and moving the actions buttons to the bottom of the box.

git-svn-id: https://plugins.svn.wordpress.org/thx38/trunk@784775 b8457f37-d9ea-0310-8a92-e5e31aec5664
Design tweaks to the inline add-new theme block.

git-svn-id: https://plugins.svn.wordpress.org/thx38/trunk@784781 b8457f37-d9ea-0310-8a92-e5e31aec5664
Making the "add new theme" copy slightly smaller.

git-svn-id: https://plugins.svn.wordpress.org/thx38/trunk@784783 b8457f37-d9ea-0310-8a92-e5e31aec5664
Javascript code refactoring; add better open-close logic for theme overlay.

git-svn-id: https://plugins.svn.wordpress.org/thx38/trunk@784827 b8457f37-d9ea-0310-8a92-e5e31aec5664
Moving some html around and placing the preview button at the top-right of each theme block. Moving some of the modal stuff around so that it can scroll with overflow. Bringing back some subtle blur.

git-svn-id: https://plugins.svn.wordpress.org/thx38/trunk@785001 b8457f37-d9ea-0310-8a92-e5e31aec5664
Moving the overlay screenshots to the left of the description.

git-svn-id: https://plugins.svn.wordpress.org/thx38/trunk@785011 b8457f37-d9ea-0310-8a92-e5e31aec5664