Update checkout guide with latest instructions to customize the Order process
Update checkout guide with latest instructions to customize the Order process

As per spree/spree#1418's changes

kewaunited/spree,builtbybuffalo/spree,jeffboulet/spree,CJMrozek/spree,trigrass2/spree,Migweld/spree,dandanwei/spree,imella/spree,ramkumar-kr/spree,pervino/spree,builtbybuffalo/spree,rajeevriitm/spree,sideci-sample/sideci-sample-spree,Senjai/solidus,FadliKun/spree,vulk/spree,grzlus/spree,rbngzlv/spree,AgilTec/spree,bricesanchez/spree,AgilTec/spree,reidblomquist/spree,DynamoMTL/spree,imella/spree,alvinjean/spree,edgward/spree,yiqing95/spree,shekibobo/spree,Arpsara/solidus,groundctrl/spree,derekluo/spree,archSeer/spree,wolfieorama/spree,robodisco/spree,reidblomquist/spree,DynamoMTL/spree,camelmasa/spree,calvinl/spree,grzlus/solidus,Arpsara/solidus,edgward/spree,bricesanchez/spree,jordan-brough/solidus,azranel/spree,net2b/spree,pulkit21/spree,hifly/spree,delphsoft/spree-store-ballchair,jaspreet21anand/spree,reidblomquist/spree,vcavallo/spree,vinsol/spree,progsri/spree,gautamsawhney/spree,brchristian/spree,Boomkat/spree,ckk-scratch/solidus,calvinl/spree,APohio/spree,calvinl/spree,lyzxsc/spree,locomotivapro/spree,edgward/spree,ramkumar-kr/spree,piousbox/spree,mindvolt/spree,radarseesradar/spree,sideci-sample/sideci-sample-spree,yushine/spree,Lostmyname/spree,JuandGirald/spree,ujai/spree,lyzxsc/spree,lsirivong/solidus,Hawaiideveloper/shoppingcart,berkes/spree,tomash/spree,DynamoMTL/spree,Engeltj/spree,thogg4/spree,degica/spree,karlitxo/spree,alejandromangione/spree,scottcrawford03/solidus,hoanghiep90/spree,agient/agientstorefront,omarsar/spree,trigrass2/spree,sunny2601/spree,jeffboulet/spree,Kagetsuki/spree,moneyspyder/spree,jaspreet21anand/spree,ahmetabdi/spree,lyzxsc/spree,abhishekjain16/spree,pulkit21/spree,APohio/spree,nooysters/spree,athal7/solidus,shaywood2/spree,ahmetabdi/spree,NerdsvilleCEO/spree,beni55/spree,zamiang/spree,devilcoders/solidus,carlesjove/spree,rbngzlv/spree,derekluo/spree,madetech/spree,azclick/spree,kewaunited/spree,gautamsawhney/spree,kewaunited/spree,archSeer/spree,vulk/spree,forkata/solidus,athal7/solidus,softr8/spree,maybii/spree,lsirivong/spree,archSeer/spree,PhoenixTeam/spree_phoenix,brchristian/spree,agient/agientstorefront,cutefrank/spree,moneyspyder/spree,FadliKun/spree,jaspreet21anand/spree,vmatekole/spree,lsirivong/solidus,lyzxsc/spree,jsurdilla/solidus,tesserakt/clean_spree,net2b/spree,camelmasa/spree,CJMrozek/spree,sfcgeorge/spree,volpejoaquin/spree,siddharth28/spree,richardnuno/solidus,alvinjean/spree,pulkit21/spree,gautamsawhney/spree,radarseesradar/spree,raow/spree,pervino/solidus,KMikhaylovCTG/spree,berkes/spree,imella/spree,dandanwei/spree,hifly/spree,dafontaine/spree,beni55/spree,yiqing95/spree,azranel/spree,fahidnasir/spree,rakibulislam/spree,maybii/spree,NerdsvilleCEO/spree,nooysters/spree,ayb/spree,quentinuys/spree,zamiang/spree,welitonfreitas/spree,ckk-scratch/solidus,Migweld/spree,camelmasa/spree,softr8/spree,odk211/spree,Hawaiideveloper/shoppingcart,Machpowersystems/spree_mach,sfcgeorge/spree,SadTreeFriends/spree,zaeznet/spree,PhoenixTeam/spree_phoenix,xuewenfei/solidus,azclick/spree,rakibulislam/spree,quentinuys/spree,shekibobo/spree,fahidnasir/spree,hifly/spree,sfcgeorge/spree,keatonrow/spree,shekibobo/spree,thogg4/spree,Kagetsuki/spree,jparr/spree,mleglise/spree,JuandGirald/spree,reinaris/spree,SadTreeFriends/spree,progsri/spree,odk211/spree,NerdsvilleCEO/spree,groundctrl/spree,volpejoaquin/spree,Migweld/spree,adaddeo/spree,Ropeney/spree,jimblesm/spree,vulk/spree,orenf/spree,nooysters/spree,net2b/spree,vulk/spree,zamiang/spree,vmatekole/spree,abhishekjain16/spree,abhishekjain16/spree,piousbox/spree,adaddeo/spree,delphsoft/spree-store-ballchair,pervino/solidus,alvinjean/spree,devilcoders/solidus,jaspreet21anand/spree,ahmetabdi/spree,grzlus/spree,ayb/spree,madetech/spree,APohio/spree,yiqing95/spree,carlesjove/spree,Senjai/solidus,moneyspyder/spree,cutefrank/spree,azclick/spree,omarsar/spree,jordan-brough/solidus,beni55/spree,sfcgeorge/spree,ckk-scratch/solidus,maybii/spree,surfdome/spree,tesserakt/clean_spree,welitonfreitas/spree,Boomkat/spree,rajeevriitm/spree,pervino/solidus,groundctrl/spree,project-eutopia/spree,FadliKun/spree,shekibobo/spree,jsurdilla/solidus,CJMrozek/spree,Hawaiideveloper/shoppingcart,keatonrow/spree,jasonfb/spree,bricesanchez/spree,sliaquat/spree,caiqinghua/spree,caiqinghua/spree,berkes/spree,piousbox/spree,orenf/spree,net2b/spree,Senjai/solidus,AgilTec/spree,firman/spree,PhoenixTeam/spree_phoenix,caiqinghua/spree,Lostmyname/spree,vinsol/spree,vinsol/spree,gregoryrikson/spree-sample,joanblake/spree,adaddeo/spree,robodisco/spree,progsri/spree,CiscoCloud/spree,lsirivong/solidus,karlitxo/spree,caiqinghua/spree,softr8/spree,Boomkat/spree,lsirivong/solidus,vcavallo/spree,project-eutopia/spree,Boomkat/spree,builtbybuffalo/spree,jparr/spree,vinayvinsol/spree,jsurdilla/solidus,gregoryrikson/spree-sample,TrialGuides/spree,tancnle/spree,TimurTarasenko/spree,maybii/spree,miyazawatomoka/spree,firman/spree,ujai/spree,calvinl/spree,trigrass2/spree,bonobos/solidus,raow/spree,moneyspyder/spree,priyank-gupta/spree,siddharth28/spree,shaywood2/spree,rakibulislam/spree,jspizziri/spree,grzlus/solidus,thogg4/spree,robodisco/spree,Ropeney/spree,piousbox/spree,Kagetsuki/spree,useiichi/spree,JuandGirald/spree,APohio/spree,degica/spree,Hawaiideveloper/shoppingcart,KMikhaylovCTG/spree,vinayvinsol/spree,grzlus/spree,bonobos/solidus,odk211/spree,jimblesm/spree,odk211/spree,bonobos/solidus,madetech/spree,wolfieorama/spree,mleglise/spree,brchristian/spree,TimurTarasenko/spree,TrialGuides/spree,SadTreeFriends/spree,CJMrozek/spree,softr8/spree,vcavallo/spree,abhishekjain16/spree,sunny2601/spree,DarkoP/spree,jparr/spree,hoanghiep90/spree,TimurTarasenko/spree,yushine/spree,hifly/spree,project-eutopia/spree,KMikhaylovCTG/spree,PhoenixTeam/spree_phoenix,reinaris/spree,FadliKun/spree,devilcoders/solidus,DarkoP/spree,nooysters/spree,SadTreeFriends/spree,dandanwei/spree,degica/spree,patdec/spree,xuewenfei/solidus,builtbybuffalo/spree,Machpowersystems/spree_mach,siddharth28/spree,njerrywerry/spree,ujai/spree,assembledbrands/spree,gautamsawhney/spree,adaddeo/spree,Engeltj/spree,CiscoCloud/spree,delphsoft/spree-store-ballchair,mindvolt/spree,vinayvinsol/spree,shaywood2/spree,Senjai/solidus,derekluo/spree,gregoryrikson/spree-sample,Machpowersystems/spree_mach,vcavallo/spree,orenf/spree,grzlus/solidus,raow/spree,yushine/spree,cutefrank/spree,jsurdilla/solidus,raow/spree,miyazawatomoka/spree,assembledbrands/spree,tomash/spree,firman/spree,azclick/spree,priyank-gupta/spree,Engeltj/spree,welitonfreitas/spree,bonobos/solidus,njerrywerry/spree,keatonrow/spree,lsirivong/spree,alvinjean/spree,TrialGuides/spree,sliaquat/spree,pervino/spree,radarseesradar/spree,jordan-brough/solidus,useiichi/spree,Arpsara/solidus,locomotivapro/spree,alejandromangione/spree,surfdome/spree,agient/agientstorefront,vinsol/spree,berkes/spree,jordan-brough/solidus,forkata/solidus,karlitxo/spree,Migweld/spree,Arpsara/solidus,sliaquat/spree,gregoryrikson/spree-sample,ayb/spree,JDutil/spree,assembledbrands/spree,scottcrawford03/solidus,tesserakt/clean_spree,richardnuno/solidus,vmatekole/spree,jeffboulet/spree,ramkumar-kr/spree,athal7/solidus,mleglise/spree,miyazawatomoka/spree,jasonfb/spree,surfdome/spree,joanblake/spree,pulkit21/spree,patdec/spree,njerrywerry/spree,joanblake/spree,yiqing95/spree,useiichi/spree,joanblake/spree,xuewenfei/solidus,CiscoCloud/spree,rbngzlv/spree,project-eutopia/spree,azranel/spree,cutefrank/spree,dandanwei/spree,Ropeney/spree,ahmetabdi/spree,fahidnasir/spree,DynamoMTL/spree,rajeevriitm/spree,ckk-scratch/solidus,pervino/spree,jspizziri/spree,madetech/spree,athal7/solidus,jimblesm/spree,lsirivong/spree,wolfieorama/spree,sunny2601/spree,dafontaine/spree,NerdsvilleCEO/spree,forkata/solidus,mindvolt/spree,Lostmyname/spree,quentinuys/spree,hoanghiep90/spree,robodisco/spree,carlesjove/spree,tancnle/spree,siddharth28/spree,richardnuno/solidus,patdec/spree,miyazawatomoka/spree,ayb/spree,tomash/spree,groundctrl/spree,grzlus/solidus,jspizziri/spree,jasonfb/spree,Ropeney/spree,devilcoders/solidus,progsri/spree,volpejoaquin/spree,tomash/spree,radarseesradar/spree,alejandromangione/spree,vinayvinsol/spree,jimblesm/spree,CiscoCloud/spree,quentinuys/spree,edgward/spree,shaywood2/spree,mindvolt/spree,rakibulislam/spree,Kagetsuki/spree,scottcrawford03/solidus,trigrass2/spree,tancnle/spree,thogg4/spree,azranel/spree,wolfieorama/spree,scottcrawford03/solidus,dafontaine/spree,sideci-sample/sideci-sample-spree,grzlus/spree,beni55/spree,ramkumar-kr/spree,karlitxo/spree,richardnuno/solidus,rajeevriitm/spree,JuandGirald/spree,KMikhaylovCTG/spree,JDutil/spree,zaeznet/spree,pervino/spree,tancnle/spree,njerrywerry/spree,locomotivapro/spree,welitonfreitas/spree,kewaunited/spree,JDutil/spree,orenf/spree,jparr/spree,rbngzlv/spree,useiichi/spree,reidblomquist/spree,DarkoP/spree,DarkoP/spree,jasonfb/spree,fahidnasir/spree,priyank-gupta/spree,mleglise/spree,alejandromangione/spree,jspizziri/spree,JDutil/spree,omarsar/spree,reinaris/spree,locomotivapro/spree,carlesjove/spree,TrialGuides/spree,delphsoft/spree-store-ballchair,yushine/spree,vmatekole/spree,Engeltj/spree,sliaquat/spree,tesserakt/clean_spree,dafontaine/spree,archSeer/spree,jeffboulet/spree,keatonrow/spree,sunny2601/spree,volpejoaquin/spree,agient/agientstorefront,zaeznet/spree,derekluo/spree,forkata/solidus,priyank-gupta/spree,xuewenfei/solidus,brchristian/spree,patdec/spree,AgilTec/spree,Lostmyname/spree,TimurTarasenko/spree,zaeznet/spree,zamiang/spree,omarsar/spree,hoanghiep90/spree,pervino/solidus,camelmasa/spree,firman/spree,reinaris/spree,surfdome/spree,lsirivong/spree