// Logo image replacement. Specifies location of the image as:
// - URL relative to the document root of this Roundcube installation
// - full URL with http:// or https:// prefix
// - URL relative to the current skin folder (when starts with a '/')
//
// An array can be used to specify different logos for specific template files
// The array key specifies the place(s) the logo should be applied to and
// is made up of (up to) 3 parts:
// - skin name prefix (always with colon, can be replaced with *)
// - template name (or * for all templates)
// - logo type - it is used for logos used on multiple templates
// the available types include '[favicon]' for favicon, '[print]' for logo on all print
// templates (e.g. messageprint, contactprint) and '[small]' for small screen logo in supported skins
//
// Example config for skin_logo
/*
array(
// show the image /images/logo_login_small.png for the Login screen in the Elastic skin on small screens
"elastic:login[small]" => "/images/logo_login_small.png",
// show the image /images/logo_login.png for the Login screen in the Elastic skin
"elastic:login" => "/images/logo_login.png",
// show the image /images/logo_small.png in the Elastic skin
"elastic:*[small]" => "/images/logo_small.png",
// show the image /images/larry.png in the Larry skin
"larry:*" => "/images/larry.png",
// show the image /images/logo_login.png on the login template in all skins
"login" => "/images/logo_login.png",
// show the image /images/logo_print.png for all print type logos in all skins
"[print]" => "/images/logo_print.png",
);
*/
$config['skin_logo'] = null;