updating about page

git-svn-id: https://plugins.svn.wordpress.org/file-away/trunk@849053 b8457f37-d9ea-0310-8a92-e5e31aec5664
updated readme

git-svn-id: https://plugins.svn.wordpress.org/file-away/trunk@849055 b8457f37-d9ea-0310-8a92-e5e31aec5664