Swaps out banner on plugin page with updated graphic.
Repositions output of Read More link to a more logical location.
Rebuilds Options screen to be more legible and to use organizational tabs.
Updates ReadMe text to better illustrate the features and uses of the plugin.
Adds 2 new screenshots to the plugin page / readme, to demonstrate the new options screen.

git-svn-id: https://plugins.svn.wordpress.org/ik-facebook/trunk@749470 b8457f37-d9ea-0310-8a92-e5e31aec5664