Bumped to nested_set 1.6.6
Bumped to nested_set 1.6.6

[Fixes #412]

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