$wgCheckFileExtensions = false;
$wgStrictFileExtensions = false;
$wgVerifyMimeType = false;
$wgMimeDetectorCommand= "file -bi";
$wgFileExtensions = array( 'png', 'gif', 'jpg', 'jpeg', 'svg', 'txt', 'bin', 'rpm', 'pdf', 'java', 'doc', 'ppt', 'tar.gz', 'zip', 'blend', 'rar', 'wav', 'mp3', 'ogg' );