Adds banner images and slight update to readme

git-svn-id: https://plugins.svn.wordpress.org/credibility/trunk@860646 b8457f37-d9ea-0310-8a92-e5e31aec5664
Updates banner images

git-svn-id: https://plugins.svn.wordpress.org/credibility/trunk@860651 b8457f37-d9ea-0310-8a92-e5e31aec5664
Updates banner images

git-svn-id: https://plugins.svn.wordpress.org/credibility/trunk@860652 b8457f37-d9ea-0310-8a92-e5e31aec5664
Updates banner images again and adds microbrand as author

git-svn-id: https://plugins.svn.wordpress.org/credibility/trunk@860664 b8457f37-d9ea-0310-8a92-e5e31aec5664
Adds screenshots


git-svn-id: https://plugins.svn.wordpress.org/credibility/trunk@860673 b8457f37-d9ea-0310-8a92-e5e31aec5664
Adds settings page and allows user to automatically add footnotes to end of post without using display function.

git-svn-id: https://plugins.svn.wordpress.org/credibility/trunk@860744 b8457f37-d9ea-0310-8a92-e5e31aec5664