Brightened the no-color icon in palette

www/drive/app-drive.less

@@ -197,7 +197,7 @@
                 font-size: 50px;
             }
             .cptools-folder-no-color {
-                color: #999;
+                color: #bbb;
             }
             .fa-check {
                 position: absolute;

www/drive/inner.js

@@ -889,7 +889,7 @@ define([
             var currentElement = null;
             colors.forEach(function (color, i) {
                 var element = h("span.cp-app-drive-color-picker-color", [
-                    h("span.cptools.cp-app-drive-icon-folder.cp-app-drive-content-icon" + (i === 0 ? ".cptools-folder-no-color" : ".cptools-folder")), // XXX cptools-folder-no-color does not show up
+                    h("span.cptools.cp-app-drive-icon-folder.cp-app-drive-content-icon" + (i === 0 ? ".cptools-folder-no-color" : ".cptools-folder")),
                     h("span.fa.fa-check")
                 ]);
                 $(element).css("color", colors[i]);