Fixing packagist.org compatibility

git-svn-id: https://plugins.svn.wordpress.org/lift-search/trunk@954217 b8457f37-d9ea-0310-8a92-e5e31aec5664
removing README.md

git-svn-id: https://plugins.svn.wordpress.org/lift-search/trunk@954226 b8457f37-d9ea-0310-8a92-e5e31aec5664
removing screenshot-4.png


git-svn-id: https://plugins.svn.wordpress.org/lift-search/trunk@954227 b8457f37-d9ea-0310-8a92-e5e31aec5664