WTD-839
Removal of 'icon-btn' class from *.html;
Cleanup of markup in switcher.html;
'name' span is now hidden when switcher is within frame;
Commented out unused css classes in _controls.scss,
Normalization of markup in object header when in main view and framed objects;
Icon sizing fixed in menus and switcher control;
Tightened up spacing in menus;
mct-scroll-x is an attribute whose value is an assignable
Angular expression. This two-way binds that expression to the
horizontal scroll state of the element on which it is applied.
mct-scroll-y is an attribute whose value is an assignable
Angular expression. This two-way binds that expression to the
vertical scroll state of the element on which it is applied.
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