[Frontend] Time Controller Markup and Styling

open #1515
open #117
Significant re-org in menus.scss continued:
Refactored s-menu to s-menu-btn;
moved look-related style def's into .s-menu;
.menu now extends .s-menu;

platform/commonUI/general/res/sass/_icons.scss

@@ -58,7 +58,7 @@
 	display: inline-block;
 }
 
-.s-menu .invoke-menu,
+.s-menu-btn .invoke-menu,
 .icon.major .invoke-menu {
 	margin-left: $interiorMarginSm;
 }