[Frontend] Generalized markup and CSS for control-bar

Fixes #1166
New markup and CSS
MIgrated existing tabular views to use
new styles

platform/features/table/res/templates/mct-table.html

@@ -1,8 +1,10 @@
-<a class="s-button t-export icon-download labeled"
-   ng-click="exportAsCSV()"
-   title="Export This View's Data">
-    Export
-</a>
+<div class="l-control-bar">
+    <a class="s-button t-export icon-download labeled"
+       ng-click="exportAsCSV()"
+       title="Export This View's Data">
+        Export
+    </a>
+</div>
 <div class="l-view-section scrolling" style="overflow: auto;" mct-resize="resize()">
     <table class="sizing-table">
         <tbody>