Initial work on the 'pad will expire' logic

www/drive/app-drive.less

@@ -8,6 +8,8 @@
 @import (once) "../../customize/src/less2/include/limit-bar.less";
 @import (once) "../../customize/src/less2/include/tokenfield.less";
 
+@_cp-toolbar-color-warn: @colortheme_drive-warn;
+
 .toolbar_main();
 .fileupload_main();
 .alertify_main();