integrating LazyLoad. It replaces the old code in IriSP.loadLibs.
As a consequence, LdtPlayer.js is not necessary anymore and has been removed
from the build.
{{! the template for the small white bars which is z-indexed over our segment widget }}
<div class='positionMarker' style='position: absolute; z-index: 100; width: 1px; height: 20px; background-color: white;'>
</div>