[slick.js] prev, next controls

prevArrow: $('.familySlide .slide-controls .prev'),
nextArrow: $('.familySlide .slide-controls .next')

familySlide_pause.on("click",function(){
     $(".familySlide .slider").slick("slickPause");
     $(this).hide();
     familySlide_play.show();
});
familySlide_play.on("click",function(){
     $(".familySlide .slider").slick("slickPlay");
     $(this).hide();
     familySlide_pause.show();
});