[Frontend] Fixed plot display

open #199
open #293
Added .abs to plot.html to allow plot
to layout properly when viewed in
main view area;
Removed .test class from time-controller;

platform/features/plot/res/templates/plot.html

@@ -20,7 +20,8 @@
  at runtime from the About dialog for additional information.
 -->
 <span ng-controller="PlotController as plot"
-      ng-mouseleave="representation.showControls = false">
+      ng-mouseleave="representation.showControls = false"
+      class="abs holder holder-plot">
 
     <div class="gl-plot"
          ng-style="{ height: 100 / plot.getSubPlots().length + '%'}"