add attr_accessible in order to work with spree_gateway
add attr_accessible in order to work with spree_gateway

[Fixes #1459]

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