[models] Resolve more iOS 6.0 warnings.
[models] Resolve more iOS 6.0 warnings.

xiaohongjun0509/nimbus,andaluz/nimbus,JyHu/nimbus,liuwu/nimbus,zaichang/nimbus,DreamHill/nimbus,DreamHill/nimbus,mohsinalimat/nimbus,weiyanwu1984/nimbus,quyixia/nimbus,djMax/nimbus,mohsinalimat/nimbus,cnbin/nimbus,treejames/nimbus,Arcank/nimbus,0xced/nimbus,marcobgoogle/nimbus,veue/nimbus,dieface/nimbus,0xced/nimbus,kisekied/nimbus,Guokr1991/nimbus,Guokr1991/nimbus,kviksilver/nimbus,jverkoey/nimbus,djMax/nimbus,ycaihua/nimbus,bogardon/nimbus,WeeTom/nimbus,bangquangvn/nimbus,marcobgoogle/nimbus,dmishe/nimbus,jverkoey/nimbus,quyixia/nimbus,dieface/nimbus,SuPair/nimbus,0xced/nimbus,tranhieutt/nimbus,kviksilver/nimbus,kviksilver/nimbus,zaichang/nimbus,JyHu/nimbus,DreamHill/nimbus,bangquangvn/nimbus,dachaoisme/nimbus,zaichang/nimbus,hanangellove/nimbus,veue/nimbus,bogardon/nimbus,weiyanwu1984/nimbus,jverkoey/nimbus,liuwu/nimbus,marcobgoogle/nimbus,xiaohongjun0509/nimbus,kisekied/nimbus,xiaohongjun0509/nimbus,ycaihua/nimbus,dieface/nimbus,Arcank/nimbus,LcongGitHub/nimbus,kviksilver/nimbus,pilot34/nimbus_fork,SuPair/nimbus,tranhieutt/nimbus,quyixia/nimbus,michaelShab/nimbus,tranhieutt/nimbus,chanffdavid/nimbus,dachaoisme/nimbus,jverkoey/nimbus,Arcank/nimbus,hanangellove/nimbus,hanangellove/nimbus,chanffdavid/nimbus,mohsinalimat/nimbus,chanffdavid/nimbus,xiaohongjun0509/nimbus,compositeprimes/nimbus,JyHu/nimbus,andaluz/nimbus,andaluz/nimbus,chanffdavid/nimbus,panume/nimbus,treejames/nimbus,marcobgoogle/nimbus,cnbin/nimbus,djMax/nimbus,zilaiyedaren/nimbus,treejames/nimbus,WeeTom/nimbus,zaichang/nimbus,kviksilver/nimbus,WeeTom/nimbus,bogardon/nimbus,ycaihua/nimbus,tranhieutt/nimbus,marcobgoogle/nimbus,JyHu/nimbus,kisekied/nimbus,bogardon/nimbus,dachaoisme/nimbus,pilot34/nimbus_fork,dmishe/nimbus,SuPair/nimbus,kisekied/nimbus,compositeprimes/nimbus,michaelShab/nimbus,zilaiyedaren/nimbus,jverkoey/nimbus,dachaoisme/nimbus,michaelShab/nimbus,weiyanwu1984/nimbus,Guokr1991/nimbus,hanangellove/nimbus,hanangellove/nimbus,zaichang/nimbus,veue/nimbus,tranhieutt/nimbus,quyixia/nimbus,liuwu/nimbus,JyHu/nimbus,0xced/nimbus,marcobgoogle/nimbus,veue/nimbus,bogardon/nimbus,dieface/nimbus,xiaohongjun0509/nimbus,cnbin/nimbus,LcongGitHub/nimbus,andaluz/nimbus,panume/nimbus,weiyanwu1984/nimbus,jverkoey/nimbus,dmishe/nimbus,treejames/nimbus,pilot34/nimbus_fork,dmishe/nimbus,liuwu/nimbus,WeeTom/nimbus,ycaihua/nimbus,SuPair/nimbus,michaelShab/nimbus,jverkoey/nimbus,kisekied/nimbus,veue/nimbus,zilaiyedaren/nimbus,andaluz/nimbus,panume/nimbus,Guokr1991/nimbus,dieface/nimbus,cnbin/nimbus,Arcank/nimbus,hanangellove/nimbus,djMax/nimbus,zilaiyedaren/nimbus,liuwu/nimbus,Guokr1991/nimbus,michaelShab/nimbus,pilot34/nimbus_fork,treejames/nimbus,treejames/nimbus,Guokr1991/nimbus,dmishe/nimbus,quyixia/nimbus,JyHu/nimbus,kviksilver/nimbus,djMax/nimbus,marcobgoogle/nimbus,LcongGitHub/nimbus,tranhieutt/nimbus,ycaihua/nimbus,bangquangvn/nimbus,DreamHill/nimbus,michaelShab/nimbus,quyixia/nimbus,cnbin/nimbus,panume/nimbus,JyHu/nimbus,compositeprimes/nimbus,zaichang/nimbus,bogardon/nimbus,dachaoisme/nimbus,LcongGitHub/nimbus,xiaohongjun0509/nimbus,bangquangvn/nimbus,quyixia/nimbus,pilot34/nimbus_fork,andaluz/nimbus,SuPair/nimbus,LcongGitHub/nimbus,DreamHill/nimbus,ycaihua/nimbus,Arcank/nimbus,mohsinalimat/nimbus,0xced/nimbus,Arcank/nimbus,WeeTom/nimbus,mohsinalimat/nimbus,liuwu/nimbus,0xced/nimbus,weiyanwu1984/nimbus,panume/nimbus,dieface/nimbus,SuPair/nimbus,bangquangvn/nimbus,chanffdavid/nimbus,djMax/nimbus,kisekied/nimbus,bogardon/nimbus,mohsinalimat/nimbus,weiyanwu1984/nimbus,panume/nimbus,compositeprimes/nimbus,Arcank/nimbus,bangquangvn/nimbus,dachaoisme/nimbus,dmishe/nimbus,compositeprimes/nimbus,zilaiyedaren/nimbus,DreamHill/nimbus,compositeprimes/nimbus,LcongGitHub/nimbus,pilot34/nimbus_fork,chanffdavid/nimbus,zilaiyedaren/nimbus,compositeprimes/nimbus,cnbin/nimbus,pilot34/nimbus_fork,WeeTom/nimbus