Adding first version of my plugin

git-svn-id: https://plugins.svn.wordpress.org/g-obligatory-featured-image/trunk@762876 b8457f37-d9ea-0310-8a92-e5e31aec5664
Changing readme

git-svn-id: https://plugins.svn.wordpress.org/g-obligatory-featured-image/trunk@762877 b8457f37-d9ea-0310-8a92-e5e31aec5664
Changing readme

git-svn-id: https://plugins.svn.wordpress.org/g-obligatory-featured-image/trunk@762878 b8457f37-d9ea-0310-8a92-e5e31aec5664