try

lib/imp.js

 
 function simple_carousel(selector){
-  return '<div class="col-sm-2 col-md-2"></div>
-  <div class="col-sm-8 col-md-8">
-  <div id="${selector}" class="carousel slide" data-interval="false"><ol class="carousel-indicators"></ol>
-  <div class="carousel-inner" role="listbox"></div></div><a class="left carousel-control" role="button" data-slide="prev">
-    <span class="glyphicon glyphicon-chevron-left" aria-hidden="true"></span>
-    <span class="sr-only">Previous</span></a><a class="right carousel-control" role="button" data-slide="next">
-    <span class="glyphicon glyphicon-chevron-right" aria-hidden="true"></span><span class="sr-only">Next</span></a></div>
-  <div class="col-sm-2 col-md-2"></div>';
+  return '<div class="col-sm-2 col-md-2"></div><div class="col-sm-8 col-md-8"><div id="${selector}" class="carousel slide" data-interval="false"><ol class="carousel-indicators"></ol><div class="carousel-inner" role="listbox"></div></div><a class="left carousel-control" role="button" data-slide="prev"><span class="glyphicon glyphicon-chevron-left" aria-hidden="true"></span><span class="sr-only">Previous</span></a><a class="right carousel-control" role="button" data-slide="next"><span class="glyphicon glyphicon-chevron-right" aria-hidden="true"></span><span class="sr-only">Next</span></a></div><div class="col-sm-2 col-md-2"></div>';
 }