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;
WTD-839
Refactoring in advance of style mods to switcher when in frame;
Moved btn styles from _controls.scss to _buttons.scss;
Markup cleaned up with css classing simplified;
