[Front-end] Markup and CSS refinements

Fixes #1729
Internal markup and CSS now sets heights
internally - menu height will now not be smaller
than the list of menu items OR the description
area;

platform/commonUI/edit/res/templates/create/create-button.html

@@ -23,7 +23,7 @@
     <div class="s-menu-button major create-button" ng-click="createController.toggle()">
 		<span class="title-label">Create</span>
     </div>
-    <div class="menu super-menu" ng-show="createController.isActive()">
+    <div class="menu super-menu l-create-menu" ng-show="createController.isActive()">
         <mct-representation mct-object="domainObject" key="'create-menu'">
         </mct-representation>
     </div>