[Mobile] Tweaks to layout

Removed the user-select option
for the context menu and bottom bar
on mobile. Also edited the folder
grid item so that its icon rep
size is not overly large.

platform/commonUI/general/res/templates/menu/context-menu.html

@@ -19,7 +19,7 @@
  this source code distribution or the Licensing information page available
  at runtime from the About dialog for additional information.
 -->
-<div class="menu-element context-menu-wrapper" ng-controller="ContextMenuController">
+<div class="menu-element context-menu-wrapper disable-select" ng-controller="ContextMenuController">
     <div class="menu context-menu dropdown">
         <ul>