Obtain a strong reference to the dataSource within `RKMappingTet`. closes #1433
Obtain a strong reference to the dataSource within `RKMappingTet`. closes #1433

oye-lionel/GithubTest,jonesgithub/RestKit,samanalysis/RestKit,coderChrisLee/RestKit,canaydogan/RestKit,sachin-khard/NucRestKit,fhchina/RestKit,djz-code/RestKit,REXLabsInc/RestKit,sandyway/RestKit,taptaptap/RestKit,Bogon/RestKit,dx285/RestKit,DejaMi/RestKit,adozenlines/RestKit,margarina/RestKit-latest,LiuShulong/RestKit,gauravstomar/RestKit,braindata/RestKit-1,pat2man/RestKit,kevmeyer/RestKit,dx285/RestKit,0dayZh/RestKit,baumatron/RestKit,CodewareTechnology/RestKit,aleufms/RestKit,nphkh/RestKit,zhenlove/RestKit,zilaiyedaren/RestKit,sandyway/RestKit,sachin-khard/NucRestKit,StasanTelnov/RestKit,pat2man/RestKit,hejunbinlan/RestKit,Gaantz/RestKit,apontador/RestKit,apontador/RestKit,djz-code/RestKit,adozenlines/RestKit,youssman/RestKit,canaydogan/RestKit,wangjiangwen/RestKit,qingsong-xu/RestKit,Juraldinio/RestKit,cnbin/RestKit,braindata/RestKit,hanangellove/RestKit,SuPair/RestKit,ForrestAlfred/RestKit,oye-lionel/GithubTest,Gaantz/RestKit,djz-code/RestKit,common2015/RestKit,money-alex2006hw/RestKit,antondarki/RestKit,mavericksunny/RestKit,agworld/RestKit,fedegasp/RestKit,HarrisLee/RestKit,REXLabsInc/RestKit,Livestream/RestKit,qingsong-xu/RestKit,QLGu/RestKit,loverbabyz/RestKit,HarrisLee/RestKit,ForrestAlfred/RestKit,ipmobiletech/RestKit,RestKit/RestKit,nett55/RestKit,nett55/RestKit,0x73/RestKit,zhenlove/RestKit,QLGu/RestKit,pat2man/RestKit,cfis/RestKit,vilinskiy-playdayteam/RestKit,wireitcollege/RestKit,Juraldinio/RestKit,antondarki/RestKit,aleufms/RestKit,margarina/RestKit-latest,common2015/RestKit,lucasecf/RestKit,sachin-khard/NucRestKit,jrtaal/RestKit,zjh171/RestKit,ChinaPicture/RestKit,ChinaPicture/RestKit,apontador/RestKit,qingsong-xu/RestKit,jrtaal/RestKit,PonderProducts/RestKit,DejaMi/RestKit,gauravstomar/RestKit,oligriffiths/RestKit,imton/RestKit,justinyaoqi/RestKit,Juraldinio/RestKit,adozenlines/RestKit,jonesgithub/RestKit,PonderProducts/RestKit,SuPair/RestKit,hejunbinlan/RestKit,PonderProducts/RestKit,Meihualu/RestKit,imton/RestKit,kevmeyer/RestKit,goldstar/RestKit,braindata/RestKit,wuxsoft/RestKit,qingsong-xu/RestKit,erichedstrom/RestKit,damiannz/RestKit,sachin-khard/NucleusRestKit,DejaMi/RestKit,cnbin/RestKit,moneytree/RestKit,REXLabsInc/RestKit,kevmeyer/RestKit,gauravstomar/RestKit,Gaantz/RestKit,lucasecf/RestKit,jonesgithub/RestKit,0x73/RestKit,ppierson/RestKit,sandyway/RestKit,ChinaPicture/RestKit,antondarki/RestKit,PonderProducts/RestKit,samkrishna/RestKit,Meihualu/RestKit,lucasecf/RestKit,taptaptap/RestKit,jrtaal/RestKit,SuPair/RestKit,youssman/RestKit,jrtaal/RestKit,goldstar/RestKit,naqi/RestKit,Flutterbee/RestKit,Meihualu/RestKit,youssman/RestKit,wyzzarz/RestKit,fedegasp/RestKit,taptaptap/RestKit,naqi/RestKit,common2015/RestKit,ppierson/RestKit,ForrestAlfred/RestKit,timbodeit/RestKit,justinyaoqi/RestKit,wuxsoft/RestKit,caamorales/RestKit,pat2man/RestKit,zjh171/RestKit,samkrishna/RestKit,moneytree/RestKit,cryptojuice/RestKit,mumer92/RestKit,imton/RestKit,zilaiyedaren/RestKit,caamorales/RestKit,fhchina/RestKit,canaydogan/RestKit,dx285/RestKit,samanalysis/RestKit,braindata/RestKit-1,DejaMi/RestKit,wuxsoft/RestKit,percysnoodle/RestKit,nett55/RestKit,caamorales/RestKit,oye-lionel/GithubTest,lucasecf/RestKit,zhenlove/RestKit,sachin-khard/NucRestKit,coderChrisLee/RestKit,hejunbinlan/RestKit,Livestream/RestKit,imton/RestKit,margarina/RestKit-latest,nphkh/RestKit,Papercloud/RestKit,mumer92/RestKit,oye-lionel/GithubTest,0dayZh/RestKit,adozenlines/RestKit,hanangellove/RestKit,loverbabyz/RestKit,LiuShulong/RestKit,nphkh/RestKit,hanangellove/RestKit,erichedstrom/RestKit,percysnoodle/RestKit,justinyaoqi/RestKit,wireitcollege/RestKit,ChinaPicture/RestKit,hanangellove/RestKit,youssman/RestKit,adozenlines/RestKit,gank0326/restkit,cfis/RestKit,LiuShulong/RestKit,kevmeyer/RestKit,samanalysis/RestKit,loverbabyz/RestKit,SuPair/RestKit,baumatron/RestKit,hejunbinlan/RestKit,apontador/RestKit,Juraldinio/RestKit,moneytree/RestKit,CodewareTechnology/RestKit,fhchina/RestKit,zilaiyedaren/RestKit,gank0326/restkit,justinyaoqi/RestKit,money-alex2006hw/RestKit,HarrisLee/RestKit,TheFarm/RestKit,Livestream/RestKit,sandyway/RestKit,moneytree/RestKit,money-alex2006hw/RestKit,cnbin/RestKit,RestKit/RestKit,fhchina/RestKit,taptaptap/RestKit,Meihualu/RestKit,cryptojuice/RestKit,nphkh/RestKit,0dayZh/RestKit,pat2man/RestKit,wuxsoft/RestKit,ppierson/RestKit,agworld/RestKit,Bogon/RestKit,lmirosevic/RestKit,HarrisLee/RestKit,gank0326/restkit,dx285/RestKit,wyzzarz/RestKit,hejunbinlan/RestKit,Papercloud/RestKit,ipmobiletech/RestKit,gauravstomar/RestKit,zhenlove/RestKit,braindata/RestKit,jonesgithub/RestKit,youssman/RestKit,QLGu/RestKit,wyzzarz/RestKit,mavericksunny/RestKit,damiannz/RestKit,Flutterbee/RestKit,cfis/RestKit,timbodeit/RestKit,aleufms/RestKit,mavericksunny/RestKit,nphkh/RestKit,TheFarm/RestKit,Bogon/RestKit,braindata/RestKit-1,common2015/RestKit,nett55/RestKit,RyanCodes/RestKit,ppierson/RestKit,DejaMi/RestKit,baumatron/RestKit,gank0326/restkit,0dayZh/RestKit,sachin-khard/NucleusRestKit,mumer92/RestKit,qingsong-xu/RestKit,gauravstomar/RestKit,Flutterbee/RestKit,SuPair/RestKit,damiannz/RestKit,cryptojuice/RestKit,Livestream/RestKit,antondarki/RestKit,ipmobiletech/RestKit,LiuShulong/RestKit,zjh171/RestKit,zilaiyedaren/RestKit,lmirosevic/RestKit,samanalysis/RestKit,LiuShulong/RestKit,vilinskiy-playdayteam/RestKit,money-alex2006hw/RestKit,pbogdanv/RestKit,Bogon/RestKit,Gaantz/RestKit,coderChrisLee/RestKit,naqi/RestKit,fedegasp/RestKit,oligriffiths/RestKit,caamorales/RestKit,pbogdanv/RestKit,mavericksunny/RestKit,fhchina/RestKit,mumer92/RestKit,wangjiangwen/RestKit,braindata/RestKit-1,erichedstrom/RestKit,gank0326/restkit,CodewareTechnology/RestKit,goldstar/RestKit,money-alex2006hw/RestKit,jonesgithub/RestKit,sachin-khard/NucleusRestKit,justinyaoqi/RestKit,sandyway/RestKit,RyanCodes/RestKit,Papercloud/RestKit,loverbabyz/RestKit,wangjiangwen/RestKit,timbodeit/RestKit,agworld/RestKit,Bogon/RestKit,cryptojuice/RestKit,0x73/RestKit,common2015/RestKit,Papercloud/RestKit,wireitcollege/RestKit,wangjiangwen/RestKit,ppierson/RestKit,mberube09/RestKit,sachin-khard/NucleusRestKit,jrtaal/RestKit,ForrestAlfred/RestKit,percysnoodle/RestKit,StasanTelnov/RestKit,CodewareTechnology/RestKit,RyanCodes/RestKit,cryptojuice/RestKit,antondarki/RestKit,timbodeit/RestKit,cnbin/RestKit,fedegasp/RestKit,aleufms/RestKit,samanalysis/RestKit,wangjiangwen/RestKit,fedegasp/RestKit,RyanCodes/RestKit,loverbabyz/RestKit,oligriffiths/RestKit,mumer92/RestKit,wireitcollege/RestKit,kevmeyer/RestKit,oligriffiths/RestKit,mberube09/RestKit,wuxsoft/RestKit,oligriffiths/RestKit,aleufms/RestKit,0x73/RestKit,vilinskiy-playdayteam/RestKit,Juraldinio/RestKit,caamorales/RestKit,lmirosevic/RestKit,lmirosevic/RestKit,mberube09/RestKit,timbodeit/RestKit,vilinskiy-playdayteam/RestKit,QLGu/RestKit,canaydogan/RestKit,moneytree/RestKit,QLGu/RestKit,percysnoodle/RestKit,pbogdanv/RestKit,coderChrisLee/RestKit,braindata/RestKit-1,RyanCodes/RestKit,zhenlove/RestKit,djz-code/RestKit,goldstar/RestKit,baumatron/RestKit,margarina/RestKit-latest,lucasecf/RestKit,zjh171/RestKit,RestKit/RestKit,damiannz/RestKit,hanangellove/RestKit,ipmobiletech/RestKit,wyzzarz/RestKit,imton/RestKit,dx285/RestKit,ForrestAlfred/RestKit,0x73/RestKit,oye-lionel/GithubTest,braindata/RestKit,Papercloud/RestKit,StasanTelnov/RestKit,Gaantz/RestKit,ipmobiletech/RestKit,Flutterbee/RestKit,lmirosevic/RestKit,agworld/RestKit,zilaiyedaren/RestKit,apontador/RestKit,samkrishna/RestKit,zjh171/RestKit,wireitcollege/RestKit,nett55/RestKit,HarrisLee/RestKit,coderChrisLee/RestKit,ChinaPicture/RestKit,REXLabsInc/RestKit,sachin-khard/NucRestKit,sachin-khard/NucleusRestKit,pbogdanv/RestKit,cnbin/RestKit,baumatron/RestKit,Meihualu/RestKit,damiannz/RestKit,canaydogan/RestKit,pbogdanv/RestKit,naqi/RestKit,CodewareTechnology/RestKit,TheFarm/RestKit,mberube09/RestKit