[Frontend] type-icon evolving to universal t-item-icon

open #90
Major work in-progress on switching to .t-item-icon from
.type-icon to get item icons working better, especially
in .inspector-location in Inspector;
Significant mods to label.html;

platform/commonUI/general/res/templates/label.html

@@ -19,16 +19,7 @@
  this source code distribution or the Licensing information page available
  at runtime from the About dialog for additional information.
 -->
-<span class="label s-label">
-<span class='ui-symbol icon type-icon'>
-{{type.getGlyph()}}
-<span
-class='ui-symbol icon l-icon-link'
-ng-show="location.isLink()"
-></span>
-<span class='ui-symbol icon l-icon-alert'></span>
-</span>
-<span class='title-label'>
-{{model.name}}
-</span>
+<span class="t-object-label">
+<span class="t-item-icon" ng-class="{ 'l-icon-link':location.isLink() }">{{type.getGlyph()}}</span>
+<span class='t-title-label'>{{model.name}}</span>
 </span>