Review and merge latest topic-core-css (#2183)

* New branch from topic-core-refactor to use as central point for common
CSS work

- Manually migrated changes from vue-toolbar, expect conflicts there and
 in vue-layout;

* Manually update constants-snow from vue-toolbar branch

* Update markup to use latest button classnames

- c-menu-button > c-button--menu;
- c-icon-button > c-click-icon;

* Various from vue-conductor-style

- Mods to input styling;
- Input[] styles moved to _controls;
- New/revised constants vals;

* Resolve bizarre merge conflict when applying stash

* Code cleanup

* Alias and type-icon fixes

- More robust approach to alias indicators;
- Added alias indication to tree-item.vue;
- TODO: wire up alias indication tree-item.vue;

* Accessibility mods, convert elements to <button>

- Better reset styles for htmlInputReset mixin to allow use of <button>
without browser default styling;
- Create button;
- BrowseBar action buttons;
- c-click-icons;
- Removed Preview button from BrowseBar.vue;

* Add copyright to .scss files; code cleanup

* Improved click area and draggable styling for tree-item

* Removed injection of domainObject

* Removed injection of domainObject

* Remove _constants-mobile.scss

- Moved used var to _constants;
- Normalize mobile detection approach in Layout.vue;

* Mobile styling for Time Conductor

- WIP!

* Mobile styling for Time Conductor

- New modalFullScreen mixin;
- Datepicker now a fullscreen modal element in body.phone;

src/plugins/notebook/res/templates/entry.html

@@ -28,8 +28,8 @@
     </div>
 
     <div class="c-ne__local-controls--hidden">
-        <a class="c-click-icon icon-trash"
+        <button class="c-click-icon icon-trash"
            title="Delete this entry"
-           v-on:click="deleteEntry"></a>
+           v-on:click="deleteEntry"></button>
     </div>
 </li>