[Common UI] Poll split pane position

Poll to position the splitter in an mct-split-pane, in
order to detect later style changes. #53.

platform/commonUI/general/src/directives/MCTSplitter.js

@@ -44,14 +44,11 @@ define(
          */
         function MCTSplitter() {
             function link(scope, element, attrs, mctSplitPane) {
-                var initialPosition;
+                var initialPosition,
+                    activeInterval;
 
                 element.addClass("splitter");
 
-                // Now that we have the above class, the splitter width
-                // will have changed, so trigger a positioning update.
-                mctSplitPane.position(mctSplitPane.position());
-
                 scope.splitter = {
                     // Begin moving this splitter
                     startMove: function () {