Added general codegen to Xcode project.
Added general codegen to Xcode project.

Change-Id: I5e21a08fe4b93382e5fbc3b911de5634b7aa88b9
Tested: on OS X.

mormegil-cz/flatbuffers,SinbadFreedom/FlatBuffer,guker/flatbuffers,ThomasBrixLarsen/flatbuffers,chobie/flatbuffers,jekinchen/flatjni,yaolinz/flatbuffers,jekinchen/flatjni,chobie/flatbuffers,eproxus/flatbuffers,DavadDi/flatbuffers,SinbadFreedom/FlatBuffer,JackLian/flatbuffers,pakoito/flatbuffers,stewartmiles/flatbuffers,RyanTech/flatbuffers,radent/flatbuffers,jasonstubbs/flatbuffers,davidnasar/flatbuffers,zhuxiaohao/flatbuffers,kiyoto-suzuki/flatbuffers,mormegil-cz/flatbuffers,evolutional/flatbuffers,wuyan6293/flatbuffers,fengshao0907/flatbuffers,jasonstubbs/flatbuffers,hanhailong/flatbuffers,xiaPier/flatbuffers,endorph-soft/flatbuffers,RyanTech/flatbuffers,pakoito/flatbuffers,pakoito/flatbuffers,JackLian/flatbuffers,ThomasBrixLarsen/flatbuffers,jackyglony/flatbuffers,chobie/flatbuffers,benssson/flatbuffers,fuchsia-mirror/third_party-flatbuffers,Reimerei/flatbuffers,DreamHill/flatbuffers,evolutional/flatbuffers,SinbadFreedom/FlatBuffer,marschall/flatbuffers,eproxus/flatbuffers,evolutional/flatbuffers,layzerar/flatbuffers,alexames/flatbuffers,rw/flatbuffers,chenkai036/flatbuffers,vitalyisaev2/flatbuffers,MiCHiLU/flatbuffers,stewartmiles/flatbuffers,jasonstubbs/flatbuffers,tieusangaka/flatbuffers,zarianw/flatbuffers,kiyoto-suzuki/flatbuffers,iperry/flatbuffers,FrankStain/flatbuffers,brunoqc/flatbuffers,rw/flatbuffers,felixguendling/flatbuffers,zhuxiaohao/flatbuffers,google/flatbuffers,dwillmer/flatbuffers,royalharsh/flatbuffers,eburkitt/flatbuffers,alarouche/flatbuffers,jbrads/flatbuffers,guker/flatbuffers,chenkai036/flatbuffers,kusharami/flatbuffers,vanloswang/flatbuffers,jackyglony/flatbuffers,jbrads/flatbuffers,DavadDi/flatbuffers,FrankStain/flatbuffers,hryang/flatbuffers,yiliaofan/flatbuffers,bog-dan-ro/flatbuffers,mormegil-cz/flatbuffers,yiliaofan/flatbuffers,chenkai036/flatbuffers,alexames/flatbuffers,splhack/flatbuffers,aeneid/flatbuffers,ajrulez/flatbuffers,jekinchen/flatjni,endorph-soft/flatbuffers,marschall/flatbuffers,felixguendling/flatbuffers,splhack/flatbuffers,alexames/flatbuffers,fuchsia-mirror/third_party-flatbuffers,BlueBrain/flatbuffers,wingahi/flatbuffers,yaolinz/flatbuffers,chobie/flatbuffers,RAldrich/flatbuffers,1yvT0s/flatbuffers,JackLian/flatbuffers,pjulien/flatbuffers,chenkai036/flatbuffers,madvay/flatbuffers,chobie/flatbuffers,rdumusc/flatbuffers,eproxus/flatbuffers,endorph-soft/flatbuffers,alexames/flatbuffers,eburkitt/flatbuffers,uus169/flatbuffers,splhack/flatbuffers,yaolinz/flatbuffers,alarouche/flatbuffers,google/flatbuffers,EricLagergren/flatbuffers,google/flatbuffers,wingahi/flatbuffers,jekinchen/flatjni,robertfsegal/flatbuffers,lulufei/flatbuffers,royalharsh/flatbuffers,eburkitt/flatbuffers,vitalyisaev2/flatbuffers,vanloswang/flatbuffers,rdumusc/flatbuffers,evanw/flatbuffers,EricLagergren/flatbuffers,chenkai036/flatbuffers,bog-dan-ro/flatbuffers,vitalyisaev2/flatbuffers,brunoqc/flatbuffers,mormegil-cz/flatbuffers,kiyoto-suzuki/flatbuffers,pjulien/flatbuffers,chenkai036/flatbuffers,zhuxiaohao/flatbuffers,jekinchen/flatjni,lulufei/flatbuffers,robertfsegal/flatbuffers,aeneid/flatbuffers,Volcanoscar/flatbuffers,hgl888/flatbuffers,wuyan6293/flatbuffers,Belxjander/flatbuffers,RyanTech/flatbuffers,kadirahq/flatbuffers,google/flatbuffers,madvay/flatbuffers,evolutional/flatbuffers,evolutional/flatbuffers,dwillmer/flatbuffers,google/flatbuffers,zarianw/flatbuffers,KeronTeam/flatbuffers,eburkitt/flatbuffers,jekinchen/flatjni,vitalyisaev2/flatbuffers,vanloswang/flatbuffers,rdumusc/flatbuffers,google/flatbuffers,pjulien/flatbuffers,stewartmiles/flatbuffers,stewartmiles/flatbuffers,kadirahq/flatbuffers,google/flatbuffers,zarianw/flatbuffers,KeronTeam/flatbuffers,wheelcomplex/flatbuffers,MiCHiLU/flatbuffers,Volcanoscar/flatbuffers,hryang/flatbuffers,kiyoto-suzuki/flatbuffers,hgl888/flatbuffers,vitalyisaev2/flatbuffers,pakoito/flatbuffers,JackLian/flatbuffers,marschall/flatbuffers,xudeheng/flatbuffers,eburkitt/flatbuffers,jackyglony/flatbuffers,hryang/flatbuffers,jasonstubbs/flatbuffers,EricLagergren/flatbuffers,pjulien/flatbuffers,FrankStain/flatbuffers,MiCHiLU/flatbuffers,evolutional/flatbuffers,RAldrich/flatbuffers,jasonstubbs/flatbuffers,chobie/flatbuffers,lulufei/flatbuffers,uus169/flatbuffers,kiyoto-suzuki/flatbuffers,wheelcomplex/flatbuffers,rw/flatbuffers,Belxjander/flatbuffers,fengshao0907/flatbuffers,marschall/flatbuffers,stewartmiles/flatbuffers,zhuxiaohao/flatbuffers,i17c/flatbuffers,wheelcomplex/flatbuffers,guker/flatbuffers,google/flatbuffers,fuchsia-mirror/third_party-flatbuffers,rw/flatbuffers,davidnasar/flatbuffers,hryang/flatbuffers,jbrads/flatbuffers,chenkai036/flatbuffers,splhack/flatbuffers,fengshao0907/flatbuffers,benssson/flatbuffers,royalharsh/flatbuffers,evolutional/flatbuffers,bog-dan-ro/flatbuffers,evanw/flatbuffers,hryang/flatbuffers,vanloswang/flatbuffers,eburkitt/flatbuffers,hgl888/flatbuffers,kadirahq/flatbuffers,1yvT0s/flatbuffers,google/flatbuffers,wingahi/flatbuffers,cogumbreiro/flatbuffers,stewartmiles/flatbuffers,KeronTeam/flatbuffers,jbrads/flatbuffers,brunoqc/flatbuffers,hanhailong/flatbuffers,MiCHiLU/flatbuffers,alexames/flatbuffers,alexames/flatbuffers,kusharami/flatbuffers,splhack/flatbuffers,wuyan6293/flatbuffers,alarouche/flatbuffers,royalharsh/flatbuffers,evolutional/flatbuffers,jbrads/flatbuffers,ajrulez/flatbuffers,cogumbreiro/flatbuffers,uus169/flatbuffers,davidnasar/flatbuffers,benssson/flatbuffers,stewartmiles/flatbuffers,xudeheng/flatbuffers,rw/flatbuffers,layzerar/flatbuffers,layzerar/flatbuffers,MiCHiLU/flatbuffers,xiaPier/flatbuffers,fuchsia-mirror/third_party-flatbuffers,jbrads/flatbuffers,arbitrary-cat/flatbuffers,KeronTeam/flatbuffers,evolutional/flatbuffers,eburkitt/flatbuffers,mormegil-cz/flatbuffers,radent/flatbuffers,rw/flatbuffers,mormegil-cz/flatbuffers,royalharsh/flatbuffers,evolutional/flatbuffers,fengshao0907/flatbuffers,rdumusc/flatbuffers,Reimerei/flatbuffers,xudeheng/flatbuffers,royalharsh/flatbuffers,i17c/flatbuffers,wingahi/flatbuffers,layzerar/flatbuffers,jbrads/flatbuffers,fuchsia-mirror/third_party-flatbuffers,robertfsegal/flatbuffers,dwillmer/flatbuffers,layzerar/flatbuffers,SinbadFreedom/FlatBuffer,marschall/flatbuffers,iperry/flatbuffers,alarouche/flatbuffers,EricLagergren/flatbuffers,wheelcomplex/flatbuffers,onecityuni/flatbuffers,benssson/flatbuffers,alexames/flatbuffers,kiyoto-suzuki/flatbuffers,dwillmer/flatbuffers,benssson/flatbuffers,robertfsegal/flatbuffers,kadirahq/flatbuffers,royalharsh/flatbuffers,EricLagergren/flatbuffers,uus169/flatbuffers,DreamHill/flatbuffers,brunoqc/flatbuffers,pjulien/flatbuffers,tieusangaka/flatbuffers,fengshao0907/flatbuffers,SinbadFreedom/FlatBuffer,jasonstubbs/flatbuffers,RyanTech/flatbuffers,DavadDi/flatbuffers,alexames/flatbuffers,FrankStain/flatbuffers,endorph-soft/flatbuffers,lulufei/flatbuffers,madvay/flatbuffers,vitalyisaev2/flatbuffers,hryang/flatbuffers,stewartmiles/flatbuffers,google/flatbuffers,brunoqc/flatbuffers,wheelcomplex/flatbuffers,ThomasBrixLarsen/flatbuffers,SinbadFreedom/FlatBuffer,kusharami/flatbuffers,fengshao0907/flatbuffers,felixguendling/flatbuffers,kusharami/flatbuffers,Reimerei/flatbuffers,aeneid/flatbuffers,EricLagergren/flatbuffers,zarianw/flatbuffers,chenkai036/flatbuffers,hgl888/flatbuffers,wuyan6293/flatbuffers,yaolinz/flatbuffers,cogumbreiro/flatbuffers,google/flatbuffers,jackyglony/flatbuffers,KeronTeam/flatbuffers,kadirahq/flatbuffers,hanhailong/flatbuffers,evanw/flatbuffers,madvay/flatbuffers,alarouche/flatbuffers,RAldrich/flatbuffers,madvay/flatbuffers,radent/flatbuffers,SinbadFreedom/FlatBuffer,stewartmiles/flatbuffers,chobie/flatbuffers,bog-dan-ro/flatbuffers,radent/flatbuffers,pakoito/flatbuffers,endorph-soft/flatbuffers,BlueBrain/flatbuffers,aeneid/flatbuffers,dwillmer/flatbuffers,royalharsh/flatbuffers,robertfsegal/flatbuffers,evolutional/flatbuffers,lulufei/flatbuffers,RyanTech/flatbuffers,Reimerei/flatbuffers,chobie/flatbuffers,ajrulez/flatbuffers,zarianw/flatbuffers,Belxjander/flatbuffers,ThomasBrixLarsen/flatbuffers,marschall/flatbuffers,onecityuni/flatbuffers,vitalyisaev2/flatbuffers,alexames/flatbuffers,MiCHiLU/flatbuffers,DavadDi/flatbuffers,iperry/flatbuffers,felixguendling/flatbuffers,jackyglony/flatbuffers,pjulien/flatbuffers,google/flatbuffers,zarianw/flatbuffers,google/flatbuffers,vanloswang/flatbuffers,davidnasar/flatbuffers,i17c/flatbuffers,aeneid/flatbuffers,davidnasar/flatbuffers,tieusangaka/flatbuffers,EricLagergren/flatbuffers,MiCHiLU/flatbuffers,bog-dan-ro/flatbuffers,arbitrary-cat/flatbuffers,stewartmiles/flatbuffers,jasonstubbs/flatbuffers,layzerar/flatbuffers,alexames/flatbuffers,pjulien/flatbuffers,Volcanoscar/flatbuffers,alexames/flatbuffers,stewartmiles/flatbuffers,kadirahq/flatbuffers,wuyan6293/flatbuffers,robertfsegal/flatbuffers,fuchsia-mirror/third_party-flatbuffers,iperry/flatbuffers,Volcanoscar/flatbuffers,DavadDi/flatbuffers,wuyan6293/flatbuffers,onecityuni/flatbuffers,radent/flatbuffers,fuchsia-mirror/third_party-flatbuffers,zarianw/flatbuffers,ajrulez/flatbuffers,endorph-soft/flatbuffers,kadirahq/flatbuffers,kiyoto-suzuki/flatbuffers,xudeheng/flatbuffers,eburkitt/flatbuffers,felixguendling/flatbuffers,DreamHill/flatbuffers,eproxus/flatbuffers,vitalyisaev2/flatbuffers,Belxjander/flatbuffers,yiliaofan/flatbuffers,arbitrary-cat/flatbuffers,davidnasar/flatbuffers,pakoito/flatbuffers,JackLian/flatbuffers,vanloswang/flatbuffers,yiliaofan/flatbuffers,dwillmer/flatbuffers,tieusangaka/flatbuffers,evanw/flatbuffers,Volcanoscar/flatbuffers,benssson/flatbuffers,bog-dan-ro/flatbuffers,rw/flatbuffers,hanhailong/flatbuffers,wheelcomplex/flatbuffers,yaolinz/flatbuffers,brunoqc/flatbuffers,Reimerei/flatbuffers,xiaPier/flatbuffers,pjulien/flatbuffers,evolutional/flatbuffers,1yvT0s/flatbuffers,rdumusc/flatbuffers,jekinchen/flatjni,xudeheng/flatbuffers,chenkai036/flatbuffers,Belxjander/flatbuffers,wingahi/flatbuffers,cogumbreiro/flatbuffers,rw/flatbuffers,1yvT0s/flatbuffers,DreamHill/flatbuffers,jekinchen/flatjni,rw/flatbuffers,EricLagergren/flatbuffers,xiaPier/flatbuffers,endorph-soft/flatbuffers,tieusangaka/flatbuffers,ajrulez/flatbuffers,onecityuni/flatbuffers,hgl888/flatbuffers,pjulien/flatbuffers,DavadDi/flatbuffers,felixguendling/flatbuffers,jackyglony/flatbuffers,jasonstubbs/flatbuffers,evanw/flatbuffers,iperry/flatbuffers,xiaPier/flatbuffers,RAldrich/flatbuffers,alexames/flatbuffers,1yvT0s/flatbuffers,jekinchen/flatjni,BlueBrain/flatbuffers,arbitrary-cat/flatbuffers,uus169/flatbuffers,BlueBrain/flatbuffers,yiliaofan/flatbuffers,wheelcomplex/flatbuffers,kadirahq/flatbuffers,royalharsh/flatbuffers,yiliaofan/flatbuffers,alexames/flatbuffers,evanw/flatbuffers,FrankStain/flatbuffers,rw/flatbuffers,guker/flatbuffers,pjulien/flatbuffers,endorph-soft/flatbuffers,1yvT0s/flatbuffers,DreamHill/flatbuffers,endorph-soft/flatbuffers,rw/flatbuffers,alexames/flatbuffers,DreamHill/flatbuffers,JackLian/flatbuffers,splhack/flatbuffers,layzerar/flatbuffers,RAldrich/flatbuffers,i17c/flatbuffers,uus169/flatbuffers,zarianw/flatbuffers,arbitrary-cat/flatbuffers,fuchsia-mirror/third_party-flatbuffers,cogumbreiro/flatbuffers,rw/flatbuffers,xudeheng/flatbuffers,kiyoto-suzuki/flatbuffers,FrankStain/flatbuffers,guker/flatbuffers,ThomasBrixLarsen/flatbuffers,eproxus/flatbuffers,kusharami/flatbuffers,bog-dan-ro/flatbuffers,splhack/flatbuffers,zhuxiaohao/flatbuffers,bog-dan-ro/flatbuffers,evanw/flatbuffers,tieusangaka/flatbuffers,google/flatbuffers,pjulien/flatbuffers,iperry/flatbuffers,chenkai036/flatbuffers,wheelcomplex/flatbuffers,stewartmiles/flatbuffers,zhuxiaohao/flatbuffers,alexames/flatbuffers,xiaPier/flatbuffers,KeronTeam/flatbuffers,onecityuni/flatbuffers,benssson/flatbuffers,alarouche/flatbuffers,hanhailong/flatbuffers,ThomasBrixLarsen/flatbuffers,yaolinz/flatbuffers,rdumusc/flatbuffers,MiCHiLU/flatbuffers,eproxus/flatbuffers,jekinchen/flatjni,hanhailong/flatbuffers,Reimerei/flatbuffers,iperry/flatbuffers,jbrads/flatbuffers,kiyoto-suzuki/flatbuffers,evanw/flatbuffers,royalharsh/flatbuffers,lulufei/flatbuffers,splhack/flatbuffers,pjulien/flatbuffers,RyanTech/flatbuffers,RAldrich/flatbuffers,i17c/flatbuffers,SinbadFreedom/FlatBuffer,hgl888/flatbuffers,BlueBrain/flatbuffers,Belxjander/flatbuffers,endorph-soft/flatbuffers,aeneid/flatbuffers,FrankStain/flatbuffers,cogumbreiro/flatbuffers,BlueBrain/flatbuffers,google/flatbuffers,ajrulez/flatbuffers,benssson/flatbuffers,stewartmiles/flatbuffers,evolutional/flatbuffers,iperry/flatbuffers,i17c/flatbuffers,Reimerei/flatbuffers,Volcanoscar/flatbuffers,guker/flatbuffers,wingahi/flatbuffers,FrankStain/flatbuffers