WTD-1392
WTD-1367
WTD-1391
Some significant reorging in _menus.scss and _constants;
Create menu normalized with context menu styles;
Bottom bar of overlay overflow set to visible to prevent button clipping;
WTD-980
WTD-396
Changed glyph for stacked plots;
Normalized button line-heights and size of required symbol;
Updated symbol art in symbols font;
Restored mistakenly removed "menu" gesture to grid-item;
WTD-1163
WTD-1146
New CSS to hide non-functional elements, including browse.top-bar with search elements;
Adjusted spacing, mainly in .contents CSS class;