Merge pull request #28 from gfscott/master

fixing a minor padding problem on main navigation
Merge pull request #29 from gfscott/master

refactoring the homepage #autotune to eliminate inline styles
Adding a custom image type to editions
Removing the php echo for the thumbnail
Adding feature image for single editions
Merge pull request #31 from swbloom/master

Adding custom edition image.
fixing color overlay problem on the main page
Merge pull request #32 from swbloom/master

fixing color overlay problem on the main page