Initial Commit Image Styles to replace separate image style features.

Signed-off-by: Joe Whitsitt <joe-whitsitt@uiowa.edu>
Remove image style in favor of Image Styles feature

Signed-off-by: Joe Whitsitt <joe-whitsitt@uiowa.edu>
Updated feature with new image style settings and other misc settings.

Signed-off-by: Joe Whitsitt <joe-whitsitt@uiowa.edu>
Created unique featured image field specific to type.

Signed-off-by: Joe Whitsitt <joe-whitsitt@uiowa.edu>
Updated style to reflect new image field.

Signed-off-by: Joe Whitsitt <joe-whitsitt@uiowa.edu>