Update slick.js
Update slick.js

Add appendArrows option.
flaviocysne/slick,Duncaen/slick,dport512/testrepo,wc-matteo/slick,yakupme/slick,kelvearagao/slick,bneiluj/slick,web-busters/slick,ceg692001/slick,CapeSepias/slick-1,yorimontolalu/slick,davidBearinTokyo/slick,FluidInc/slick,kev-mc/slick,carrie88/slick,znsstudio/slick,valentinvoilean/slick,neogis-de/slick,davidBearinTokyo/slick,EugeneKot/slick,marvinhuebner/slick,vyacheslav-lonschakov/slick,prabhuramkumar/slick,prabhuramkumar/slick,b-cuts/slick,skotz/slick,kuslahne/slick,theapsgroup/slick,bneiluj/slick,hemusyl/slick,christophgreggersen/slick,kenwheeler/slick,simeydotme/slick,HagiaSofiya/slick,kev-mc/slick,buithaitruong/slick,aFarkas/slick,kyaido/slick,markvantilburg/slick,b-cuts/slick,nyusaf/slick,tyleraadams/slick,laantorchaweb/slick,chuckienorton/slick,AntoineBoulanger/slick,strawmitch/slick,localpcguy/slick,BroadwayDev/slick,laurent-bettin/slick,kenwheeler/slick,escaped/slick,nestpick/slick,ddrevnov/slick,HellSquirrel/slick,odie2/slick,Duske/slick,kyaido/slick,gitkiselev/slick,christophgreggersen/slick,dport512/testrepo,rsemenyshyn/slick,yorimontolalu/slick,despark/slick-with-full-screen-gallery,kuslahne/slick,CapeSepias/slick-1,wc-matteo/slick,UVLabs/slick,aFarkas/slick,dev6-seucondominio/slick,goranefbl/slick,justin-rosecrans/slick,prabhuramkumar/slick,DouglasMartin/slick,Jeremy017/slick,ernestob/slick,sojimaxi/slick,EugeneKot/slick,aciliainternet/slick,znsstudio/slick,AndBicScadMedia/slick,aciliainternet/slick,hemusyl/slick,btpoe/slick,madhav5589/slick,Kentlol123/slick,flaviocysne/slick,buithaitruong/slick,paggel/slick,amyash/slick,kenwheeler/slick,melbournevijay/slick,ionut-c/slick,BroadwayDev/slick,kostakoida/slick,Jako/slick,ilovezy/slick,Duske/slick,Tuckie/slick,alexuson/slick,Tuckie/slick,modulexcite/slick,vaartio/slick,marvinhuebner/slick,sandow-digital/slick,odie2/slick,ionut-c/slick,Jako/slick,goranefbl/slick,archang/slick,Duske/slick,routard/slick,sky-uk/slick,madhav5589/slick,palgit/slick,kevinrodrigues/slick,UVLabs/slick,HellSquirrel/slick,ddrevnov/slick,nyusaf/slick,HagiaSofiya/slick,billybonz1/slick,routard/slick,dekwilde/slick,ceg692001/slick,ethanclevenger91/slick,cielt/slick,amyash/slick,palgit/slick,EricHodgins/slick,kolorowestudio/slick,laantorchaweb/slick,bartvde/slick,vyacheslav-lonschakov/slick,kevinrodrigues/slick,dekwilde/slick,sojimaxi/slick,kolorowestudio/slick,FluidInc/slick,nestpick/slick,sandow-digital/slick,joker8999/slick,archang/slick,vuongdothanhhuy/slick,web-busters/slick,rsemenyshyn/slick,ernestob/slick,chuckienorton/slick,Kentlol123/slick,marvinhuebner/slick,xiaoliw7/slick,sky-uk/slick,skotz/slick,flaviocysne/slick,carrie88/slick,dev6-seucondominio/slick,paggel/slick,escaped/slick,yakupme/slick,AndBicScadMedia/slick,ixkaito/slick,melbournevijay/slick,rphelan/slick,DouglasMartin/slick,despark/slick-with-full-screen-gallery,Duncaen/slick,alexuson/slick,aciliainternet/slick,vaartio/slick,dftdp/slick,compact/slick,wstoettinger/slick,joker8999/slick,justin-rosecrans/slick,valentinvoilean/slick,AntoineBoulanger/slick,SalahAdDin/slick,kelvearagao/slick,billybonz1/slick,dftdp/slick,ixkaito/slick,rphelan/slick,Jeremy017/slick,astericky/slick,compact/slick,xiaoliw7/slick,strawmitch/slick,kostakoida/slick,cielt/slick,cielt/slick,wc-matteo/slick,ilovezy/slick,markvantilburg/slick,neogis-de/slick,tyleraadams/slick,Apreche/slick,simeydotme/slick,gitkiselev/slick,astericky/slick,theapsgroup/slick,SalahAdDin/slick,modulexcite/slick,localpcguy/slick,EricHodgins/slick,btpoe/slick,Apreche/slick,ethanclevenger91/slick,yorimontolalu/slick,wstoettinger/slick,bartvde/slick,DmitriyTrt/slick,vuongdothanhhuy/slick,laurent-bettin/slick