#445
Markup enhanced in wait-node.html;
More wait-spinner constants added;
Normalized appearance between tree-based
.loading and .s-status-pending;
Fixed .s-status-pending to work now that
mct-representation is gone from tree;
#445
New wait-spinner constants;
Markup fixed in wait-node.html;
Styles for .loading when applied to
.tree-item.wait-node;
Changed from percent-of-parent-
width sizing of spinner to fixed size;