fixed issue with scandir errors

git-svn-id: https://plugins.svn.wordpress.org/file-away/trunk@855930 b8457f37-d9ea-0310-8a92-e5e31aec5664
fixed bug where files weren't showing to logged out users

git-svn-id: https://plugins.svn.wordpress.org/file-away/trunk@859437 b8457f37-d9ea-0310-8a92-e5e31aec5664
updated version #

git-svn-id: https://plugins.svn.wordpress.org/file-away/trunk@859438 b8457f37-d9ea-0310-8a92-e5e31aec5664
upgrade notice

git-svn-id: https://plugins.svn.wordpress.org/file-away/trunk@859439 b8457f37-d9ea-0310-8a92-e5e31aec5664