Added missing validation for permalink to Product model.
Added missing validation for permalink to Product model.

sliaquat/spree,Lostmyname/spree,priyank-gupta/spree,Senjai/spree,StemboltHQ/spree,ahmetabdi/spree,gautamsawhney/spree,vcavallo/spree,pulkit21/spree,rakibulislam/spree,shioyama/spree,CJMrozek/spree,Migweld/spree,trigrass2/spree,siddharth28/spree,tesserakt/clean_spree,net2b/spree,lyzxsc/spree,surfdome/spree,firman/spree,robodisco/spree,grzlus/solidus,njerrywerry/spree,pjmj777/spree,rajeevriitm/spree,imella/spree,odk211/spree,Arpsara/solidus,watg/spree,welitonfreitas/spree,athal7/solidus,degica/spree,SadTreeFriends/spree,groundctrl/spree,abhishekjain16/spree,Migweld/spree,Engeltj/spree,watg/spree,zaeznet/spree,PhoenixTeam/spree_phoenix,piousbox/spree,Antdesk/karpal-spree,builtbybuffalo/spree,PhoenixTeam/spree_phoenix,Antdesk/karpal-spree,scottcrawford03/solidus,beni55/spree,pervino/solidus,jparr/spree,pervino/solidus,quentinuys/spree,joanblake/spree,delphsoft/spree-store-ballchair,vcavallo/spree,imella/spree,tancnle/spree,PhoenixTeam/spree_phoenix,maybii/spree,berkes/spree,volpejoaquin/spree,reidblomquist/spree,Senjai/solidus,kewaunited/spree,preston-scott/spree,jimblesm/spree,lzcabrera/spree-1-3-stable,sfcgeorge/spree,ckk-scratch/solidus,LBRapid/spree,surfdome/spree,hifly/spree,agient/agientstorefront,zamiang/spree,jspizziri/spree,builtbybuffalo/spree,adaddeo/spree,CiscoCloud/spree,Nevensoft/spree,piousbox/spree,ramkumar-kr/spree,Hates/spree,radarseesradar/spree,DarkoP/spree,jimblesm/spree,freerunningtech/spree,scottcrawford03/solidus,kewaunited/spree,scottcrawford03/solidus,codesavvy/sandbox,rbngzlv/spree,shaywood2/spree,volpejoaquin/spree,APohio/spree,fahidnasir/spree,lzcabrera/spree-1-3-stable,delphsoft/spree-store-ballchair,CJMrozek/spree,bonobos/solidus,njerrywerry/spree,sliaquat/spree,wolfieorama/spree,siddharth28/spree,bricesanchez/spree,berkes/spree,Mayvenn/spree,vcavallo/spree,FadliKun/spree,caiqinghua/spree,hifly/spree,Boomkat/spree,jordan-brough/solidus,dandanwei/spree,zaeznet/spree,Boomkat/spree,richardnuno/solidus,vmatekole/spree,hifly/spree,jparr/spree,azclick/spree,softr8/spree,radarseesradar/spree,zamiang/spree,carlesjove/spree,APohio/spree,tomash/spree,progsri/spree,calvinl/spree,TimurTarasenko/spree,maybii/spree,DynamoMTL/spree,ramkumar-kr/spree,Migweld/spree,devilcoders/solidus,odk211/spree,zaeznet/spree,Senjai/solidus,net2b/spree,vulk/spree,pervino/spree,agient/agientstorefront,tomash/spree,hoanghiep90/spree,njerrywerry/spree,delphsoft/spree-store-ballchair,jhawthorn/spree,alepore/spree,alvinjean/spree,RatioClothing/spree,archSeer/spree,kitwalker12/spree,jordan-brough/spree,freerunningtech/spree,brchristian/spree,StemboltHQ/spree,Machpowersystems/spree_mach,reinaris/spree,berkes/spree,jspizziri/spree,dotandbo/spree,welitonfreitas/spree,jordan-brough/solidus,jhawthorn/spree,sideci-sample/sideci-sample-spree,softr8/spree,nooysters/spree,adaddeo/spree,camelmasa/spree,grzlus/spree,ayb/spree,carlesjove/spree,alvinjean/spree,ayb/spree,patdec/spree,Nevensoft/spree,NerdsvilleCEO/spree,tomash/spree,JuandGirald/spree,jeffboulet/spree,jhawthorn/spree,APohio/spree,kitwalker12/spree,tesserakt/clean_spree,karlitxo/spree,trigrass2/spree,ramkumar-kr/spree,raow/spree,useiichi/spree,Senjai/spree,project-eutopia/spree,lyzxsc/spree,cutefrank/spree,project-eutopia/spree,patdec/spree,sunny2601/spree,Ropeney/spree,miyazawatomoka/spree,ckk-scratch/solidus,sunny2601/spree,tancnle/spree,yiqing95/spree,HealthWave/spree,beni55/spree,sunny2601/spree,jsurdilla/solidus,Hawaiideveloper/shoppingcart,welitonfreitas/spree,trigrass2/spree,ckk-scratch/solidus,watg/spree,lsirivong/spree,quentinuys/spree,DarkoP/spree,joanblake/spree,moneyspyder/spree,mindvolt/spree,caiqinghua/spree,Kagetsuki/spree,tailic/spree,CJMrozek/spree,jimblesm/spree,preston-scott/spree,jordan-brough/spree,reidblomquist/spree,FadliKun/spree,dandanwei/spree,lyzxsc/spree,dotandbo/spree,ramkumar-kr/spree,jaspreet21anand/spree,thogg4/spree,judaro13/spree-fork,surfdome/spree,biagidp/spree,athal7/solidus,vinsol/spree,dotandbo/spree,pjmj777/spree,bonobos/solidus,orenf/spree,rajeevriitm/spree,woboinc/spree,fahidnasir/spree,imella/spree,priyank-gupta/spree,JDutil/spree,calvinl/spree,AgilTec/spree,mindvolt/spree,gregoryrikson/spree-sample,LBRapid/spree,forkata/solidus,vinayvinsol/spree,grzlus/solidus,caiqinghua/spree,agient/agientstorefront,athal7/solidus,ahmetabdi/spree,Boomkat/spree,abhishekjain16/spree,yiqing95/spree,Hawaiideveloper/shoppingcart,grzlus/solidus,azranel/spree,forkata/solidus,StemboltHQ/spree,shaywood2/spree,shaywood2/spree,tancnle/spree,pulkit21/spree,shioyama/spree,JDutil/spree,nooysters/spree,alejandromangione/spree,locomotivapro/spree,abhishekjain16/spree,judaro13/spree-fork,carlesjove/spree,kewaunited/spree,omarsar/spree,TrialGuides/spree,pervino/spree,LBRapid/spree,reinaris/spree,yushine/spree,priyank-gupta/spree,firman/spree,bonobos/solidus,thogg4/spree,locomotivapro/spree,mleglise/spree,derekluo/spree,karlitxo/spree,bjornlinder/Spree,archSeer/spree,Ropeney/spree,Hates/spree,bricesanchez/spree,Kagetsuki/spree,odk211/spree,jimblesm/spree,Migweld/spree,rbngzlv/spree,shekibobo/spree,madetech/spree,nooysters/spree,shekibobo/spree,wolfieorama/spree,DarkoP/spree,reidblomquist/spree,NerdsvilleCEO/spree,Mayvenn/spree,lsirivong/spree,jeffboulet/spree,vulk/spree,Arpsara/solidus,KMikhaylovCTG/spree,builtbybuffalo/spree,raow/spree,RatioClothing/spree,TrialGuides/spree,jaspreet21anand/spree,welitonfreitas/spree,pervino/solidus,gregoryrikson/spree-sample,JDutil/spree,archSeer/spree,sfcgeorge/spree,NerdsvilleCEO/spree,vinayvinsol/spree,devilcoders/solidus,wolfieorama/spree,odk211/spree,forkata/solidus,forkata/solidus,patdec/spree,HealthWave/spree,tomash/spree,madetech/spree,xuewenfei/solidus,gregoryrikson/spree-sample,pulkit21/spree,fahidnasir/spree,priyank-gupta/spree,useiichi/spree,azranel/spree,mleglise/spree,ckk-scratch/solidus,Ropeney/spree,lsirivong/spree,woboinc/spree,jasonfb/spree,CiscoCloud/spree,keatonrow/spree,codesavvy/sandbox,xuewenfei/solidus,berkes/spree,JDutil/spree,ayb/spree,calvinl/spree,volpejoaquin/spree,TimurTarasenko/spree,piousbox/spree,freerunningtech/spree,xuewenfei/solidus,lsirivong/spree,jspizziri/spree,caiqinghua/spree,siddharth28/spree,pervino/solidus,CiscoCloud/spree,dandanwei/spree,lsirivong/solidus,keatonrow/spree,rajeevriitm/spree,tesserakt/clean_spree,JuandGirald/spree,RatioClothing/spree,camelmasa/spree,groundctrl/spree,gregoryrikson/spree-sample,surfdome/spree,reinaris/spree,dafontaine/spree,omarsar/spree,Kagetsuki/spree,reidblomquist/spree,Lostmyname/spree,nooysters/spree,delphsoft/spree-store-ballchair,jordan-brough/solidus,jasonfb/spree,grzlus/spree,moneyspyder/spree,PhoenixTeam/spree_phoenix,Machpowersystems/spree_mach,zamiang/spree,richardnuno/solidus,calvinl/spree,cutefrank/spree,thogg4/spree,jaspreet21anand/spree,alepore/spree,Kagetsuki/spree,karlitxo/spree,lsirivong/solidus,agient/agientstorefront,tancnle/spree,jordan-brough/solidus,lsirivong/solidus,Engeltj/spree,yomishra/pce,yomishra/pce,softr8/spree,brchristian/spree,scottcrawford03/solidus,wolfieorama/spree,derekluo/spree,radarseesradar/spree,APohio/spree,ujai/spree,jeffboulet/spree,adaddeo/spree,TrialGuides/spree,Ropeney/spree,KMikhaylovCTG/spree,CJMrozek/spree,Hates/spree,jsurdilla/solidus,raow/spree,bricesanchez/spree,sliaquat/spree,AgilTec/spree,maybii/spree,yushine/spree,jspizziri/spree,progsri/spree,Arpsara/solidus,Mayvenn/spree,grzlus/solidus,knuepwebdev/FloatTubeRodHolders,gautamsawhney/spree,vulk/spree,assembledbrands/spree,SadTreeFriends/spree,vulk/spree,reinaris/spree,raow/spree,TimurTarasenko/spree,trigrass2/spree,JuandGirald/spree,patdec/spree,alejandromangione/spree,bjornlinder/Spree,pervino/spree,urimikhli/spree,beni55/spree,beni55/spree,alvinjean/spree,useiichi/spree,quentinuys/spree,codesavvy/sandbox,quentinuys/spree,Senjai/solidus,azclick/spree,woboinc/spree,lyzxsc/spree,Antdesk/karpal-spree,alejandromangione/spree,Mayvenn/spree,dafontaine/spree,vinayvinsol/spree,KMikhaylovCTG/spree,omarsar/spree,mindvolt/spree,madetech/spree,carlesjove/spree,shaywood2/spree,sfcgeorge/spree,groundctrl/spree,DynamoMTL/spree,rbngzlv/spree,rakibulislam/spree,richardnuno/solidus,Machpowersystems/spree_mach,judaro13/spree-fork,yiqing95/spree,dotandbo/spree,jordan-brough/spree,njerrywerry/spree,locomotivapro/spree,firman/spree,biagidp/spree,firman/spree,jsurdilla/solidus,dafontaine/spree,mleglise/spree,Nevensoft/spree,piousbox/spree,edgward/spree,adaddeo/spree,brchristian/spree,vinsol/spree,mindvolt/spree,miyazawatomoka/spree,rakibulislam/spree,hifly/spree,HealthWave/spree,locomotivapro/spree,keatonrow/spree,siddharth28/spree,kitwalker12/spree,assembledbrands/spree,yomishra/pce,urimikhli/spree,jasonfb/spree,alvinjean/spree,Hawaiideveloper/shoppingcart,net2b/spree,orenf/spree,abhishekjain16/spree,gautamsawhney/spree,miyazawatomoka/spree,rbngzlv/spree,hoanghiep90/spree,TimurTarasenko/spree,shekibobo/spree,codesavvy/sandbox,hoanghiep90/spree,cutefrank/spree,knuepwebdev/FloatTubeRodHolders,edgward/spree,lsirivong/solidus,omarsar/spree,grzlus/spree,urimikhli/spree,zaeznet/spree,shioyama/spree,Engeltj/spree,Hates/spree,KMikhaylovCTG/spree,derekluo/spree,azclick/spree,devilcoders/solidus,azranel/spree,yushine/spree,ahmetabdi/spree,tailic/spree,cutefrank/spree,vmatekole/spree,sideci-sample/sideci-sample-spree,dafontaine/spree,orenf/spree,hoanghiep90/spree,edgward/spree,jasonfb/spree,Hawaiideveloper/shoppingcart,dandanwei/spree,softr8/spree,progsri/spree,shekibobo/spree,SadTreeFriends/spree,joanblake/spree,Arpsara/solidus,xuewenfei/solidus,Senjai/solidus,FadliKun/spree,assembledbrands/spree,FadliKun/spree,vinsol/spree,mleglise/spree,keatonrow/spree,Lostmyname/spree,fahidnasir/spree,biagidp/spree,kewaunited/spree,ujai/spree,vinayvinsol/spree,bjornlinder/Spree,vcavallo/spree,builtbybuffalo/spree,Senjai/spree,edgward/spree,zamiang/spree,moneyspyder/spree,archSeer/spree,pjmj777/spree,degica/spree,ahmetabdi/spree,Nevensoft/spree,useiichi/spree,sunny2601/spree,karlitxo/spree,CiscoCloud/spree,jaspreet21anand/spree,azclick/spree,robodisco/spree,maybii/spree,derekluo/spree,ujai/spree,radarseesradar/spree,JuandGirald/spree,azranel/spree,knuepwebdev/FloatTubeRodHolders,tesserakt/clean_spree,Engeltj/spree,NerdsvilleCEO/spree,moneyspyder/spree,Lostmyname/spree,miyazawatomoka/spree,athal7/solidus,sfcgeorge/spree,joanblake/spree,thogg4/spree,vmatekole/spree,camelmasa/spree,groundctrl/spree,project-eutopia/spree,devilcoders/solidus,DynamoMTL/spree,net2b/spree,alejandromangione/spree,degica/spree,bonobos/solidus,project-eutopia/spree,yushine/spree,gautamsawhney/spree,Boomkat/spree,sideci-sample/sideci-sample-spree,tailic/spree,SadTreeFriends/spree,sliaquat/spree,vinsol/spree,camelmasa/spree,volpejoaquin/spree,jsurdilla/solidus,ayb/spree,brchristian/spree,pulkit21/spree,richardnuno/solidus,jparr/spree,TrialGuides/spree,vmatekole/spree,robodisco/spree,rakibulislam/spree,lzcabrera/spree-1-3-stable,AgilTec/spree,DynamoMTL/spree,AgilTec/spree,jeffboulet/spree,orenf/spree,grzlus/spree,pervino/spree,yiqing95/spree,progsri/spree,alepore/spree,DarkoP/spree,jparr/spree,robodisco/spree,rajeevriitm/spree,madetech/spree