cloud tiles: use folder-o for folders and set the icon colour to something a bit less harsh than the link colour for system icons. Dark solid blue folders are a bit overwhelming, as is the default text_colour (black)

include/text.php

@@ -2704,8 +2704,8 @@ function linkify_tags($a, &$body, $uid, $diaspora = false) {
 function getIconFromType($type) {
 	$iconMap = array(
 		//Folder
-		t('Collection') => 'fa-folder',
-		'multipart/mixed' => 'fa-folder', //dirs in attach use this mime type
+		t('Collection') => 'fa-folder-o',
+		'multipart/mixed' => 'fa-folder-o', //dirs in attach use this mime type
 		//Common file
 		'application/octet-stream' => 'fa-file-o',
 		//Text