[Mobile] CleanUp/Tests

Added tests inside spec files
for the QueryService, TreeNodeController,
and InfoGesture. Also cleaned up the
tree so that padding is used between
buttons instead of margins.

platform/commonUI/general/src/controllers/TreeNodeController.js

@@ -88,7 +88,7 @@ define(
             }
             
             function checkMobile() {
-                return queryService.isMobile();
+                return queryService.isMobile(navigator.userAgent);
             }
             
             // Consider the currently-navigated object and update