added function/hook to add post-thumbnail support to article post type if it isn't setup in the theme already
rewrote flush rewrite rule activation hook for better performance, modified readme.txt
added note to myself
tagging 1.2.1 * Added function/hook to add featured image to article post type, if not supported by theme * Rewrote flush rewrite rules activation hook for better performance * Fixed version number in PHP comments * Added option to set page for issue archives * Added filter to set default page content for issue archive page (if no content exists)