[swiper.js] prev, next controls

navigation: {
     prevEl: '.familySlide .slide-controls .prev',
     nextEl: '.familySlide .slide-controls .next',
}

familySlide_pause.on("click",function(){
     familySlide.autoplay.stop();
     $(this).hide();
     familySlide_play.show();
});
familySlide_play.on("click",function(){
     familySlide.autoplay.start();
     $(this).hide();
     familySlide_pause.show();
});