Edited Readme

git-svn-id: https://plugins.svn.wordpress.org/ultimate-promo-code/trunk@986271 b8457f37-d9ea-0310-8a92-e5e31aec5664
Edited Index and Readme

git-svn-id: https://plugins.svn.wordpress.org/ultimate-promo-code/trunk@986274 b8457f37-d9ea-0310-8a92-e5e31aec5664
Updated tags

git-svn-id: https://plugins.svn.wordpress.org/ultimate-promo-code/trunk@986277 b8457f37-d9ea-0310-8a92-e5e31aec5664