added a wrapper around the templating engine, to be able to have default values
for some template variables.
{{! template for the annotation widget }}
<div class='Ldt-AnnotationsWidget'>
<div class='ldt-Show'></div>
<div class='demo Ldt-ShowAnnotation-audio'>
<div class='Ldt-SaTitle'></div>
<div class='Ldt-SaDescription'></div>
<div class='cleaner'>
<!-- \;-->
</div>
</div>
</div>