Pull list of categories from widget code
#foreach($inode in $carouselCategory)
#if($velocityCount == 1)
#set($catlist = "categories:$categories.getCategoryByInode($inode).getCategoryVelocityVarName()")
#else
#set($catlist = "$catlist categories:$categories.getCategoryByInode($inode).getCategoryVelocityVarName()")
#end
#end