Don't git ignore clang.
Don't git ignore clang.

While llvm needs to ignore it (it's an external project) we have all in one git repo.

bbockelm/root,mhuwiler/rootauto,esakellari/root,evgeny-boger/root,Duraznos/root,Duraznos/root,CristinaCristescu/root,alexschlueter/cern-root,nilqed/root,abhinavmoudgil95/root,veprbl/root,karies/root,sirinath/root,buuck/root,gbitzes/root,omazapa/root-old,root-mirror/root,omazapa/root,mattkretz/root,veprbl/root,buuck/root,sbinet/cxx-root,olifre/root,thomaskeck/root,omazapa/root,agarciamontoro/root,mhuwiler/rootauto,cxx-hep/root-cern,Y--/root,sbinet/cxx-root,gganis/root,zzxuanyuan/root,abhinavmoudgil95/root,zzxuanyuan/root,pspe/root,root-mirror/root,bbockelm/root,simonpf/root,sbinet/cxx-root,sawenzel/root,smarinac/root,BerserkerTroll/root,Y--/root,georgtroska/root,sawenzel/root,dfunke/root,gbitzes/root,sbinet/cxx-root,mattkretz/root,beniz/root,root-mirror/root,evgeny-boger/root,zzxuanyuan/root,agarciamontoro/root,agarciamontoro/root,smarinac/root,0x0all/ROOT,esakellari/root,CristinaCristescu/root,mkret2/root,agarciamontoro/root,0x0all/ROOT,vukasinmilosevic/root,CristinaCristescu/root,0x0all/ROOT,esakellari/my_root_for_test,vukasinmilosevic/root,esakellari/my_root_for_test,gganis/root,mkret2/root,krafczyk/root,cxx-hep/root-cern,beniz/root,simonpf/root,thomaskeck/root,mkret2/root,abhinavmoudgil95/root,mhuwiler/rootauto,cxx-hep/root-cern,davidlt/root,perovic/root,omazapa/root,thomaskeck/root,gbitzes/root,zzxuanyuan/root,davidlt/root,dfunke/root,BerserkerTroll/root,Y--/root,karies/root,mkret2/root,satyarth934/root,gbitzes/root,satyarth934/root,davidlt/root,beniz/root,Y--/root,georgtroska/root,simonpf/root,smarinac/root,satyarth934/root,esakellari/my_root_for_test,bbockelm/root,agarciamontoro/root,pspe/root,nilqed/root,bbockelm/root,BerserkerTroll/root,thomaskeck/root,nilqed/root,CristinaCristescu/root,zzxuanyuan/root,bbockelm/root,thomaskeck/root,sawenzel/root,sawenzel/root,georgtroska/root,alexschlueter/cern-root,olifre/root,Duraznos/root,arch1tect0r/root,esakellari/my_root_for_test,omazapa/root,gganis/root,mattkretz/root,lgiommi/root,karies/root,omazapa/root-old,esakellari/root,smarinac/root,zzxuanyuan/root,nilqed/root,karies/root,esakellari/root,arch1tect0r/root,evgeny-boger/root,esakellari/my_root_for_test,zzxuanyuan/root-compressor-dummy,esakellari/root,karies/root,sbinet/cxx-root,smarinac/root,thomaskeck/root,0x0all/ROOT,dfunke/root,arch1tect0r/root,dfunke/root,alexschlueter/cern-root,beniz/root,gganis/root,sirinath/root,zzxuanyuan/root-compressor-dummy,mhuwiler/rootauto,bbockelm/root,olifre/root,dfunke/root,davidlt/root,sawenzel/root,vukasinmilosevic/root,smarinac/root,karies/root,perovic/root,omazapa/root-old,buuck/root,omazapa/root-old,veprbl/root,nilqed/root,esakellari/root,sawenzel/root,omazapa/root,sirinath/root,dfunke/root,veprbl/root,evgeny-boger/root,smarinac/root,jrtomps/root,krafczyk/root,sbinet/cxx-root,Y--/root,pspe/root,jrtomps/root,bbockelm/root,0x0all/ROOT,dfunke/root,gganis/root,omazapa/root,mattkretz/root,alexschlueter/cern-root,mkret2/root,perovic/root,krafczyk/root,vukasinmilosevic/root,smarinac/root,Duraznos/root,satyarth934/root,davidlt/root,nilqed/root,BerserkerTroll/root,Duraznos/root,agarciamontoro/root,omazapa/root,satyarth934/root,mattkretz/root,lgiommi/root,esakellari/my_root_for_test,omazapa/root-old,vukasinmilosevic/root,gganis/root,krafczyk/root,beniz/root,arch1tect0r/root,mhuwiler/rootauto,bbockelm/root,mattkretz/root,zzxuanyuan/root-compressor-dummy,buuck/root,omazapa/root-old,mkret2/root,lgiommi/root,Duraznos/root,vukasinmilosevic/root,gbitzes/root,karies/root,sawenzel/root,Duraznos/root,arch1tect0r/root,pspe/root,buuck/root,nilqed/root,beniz/root,CristinaCristescu/root,davidlt/root,veprbl/root,karies/root,gbitzes/root,georgtroska/root,davidlt/root,esakellari/my_root_for_test,krafczyk/root,thomaskeck/root,Y--/root,mattkretz/root,satyarth934/root,CristinaCristescu/root,root-mirror/root,esakellari/root,simonpf/root,gganis/root,thomaskeck/root,simonpf/root,jrtomps/root,evgeny-boger/root,davidlt/root,buuck/root,CristinaCristescu/root,veprbl/root,veprbl/root,Y--/root,arch1tect0r/root,perovic/root,perovic/root,mkret2/root,sirinath/root,lgiommi/root,georgtroska/root,agarciamontoro/root,sirinath/root,thomaskeck/root,buuck/root,mkret2/root,BerserkerTroll/root,gganis/root,Y--/root,cxx-hep/root-cern,cxx-hep/root-cern,satyarth934/root,arch1tect0r/root,smarinac/root,mhuwiler/rootauto,abhinavmoudgil95/root,mattkretz/root,perovic/root,vukasinmilosevic/root,agarciamontoro/root,abhinavmoudgil95/root,bbockelm/root,CristinaCristescu/root,sirinath/root,davidlt/root,lgiommi/root,esakellari/my_root_for_test,pspe/root,omazapa/root-old,BerserkerTroll/root,0x0all/ROOT,alexschlueter/cern-root,vukasinmilosevic/root,0x0all/ROOT,simonpf/root,olifre/root,veprbl/root,simonpf/root,BerserkerTroll/root,lgiommi/root,perovic/root,mhuwiler/rootauto,beniz/root,abhinavmoudgil95/root,mkret2/root,mhuwiler/rootauto,georgtroska/root,sbinet/cxx-root,perovic/root,thomaskeck/root,mkret2/root,root-mirror/root,abhinavmoudgil95/root,perovic/root,satyarth934/root,vukasinmilosevic/root,jrtomps/root,gganis/root,mattkretz/root,bbockelm/root,dfunke/root,cxx-hep/root-cern,sirinath/root,mattkretz/root,satyarth934/root,simonpf/root,root-mirror/root,evgeny-boger/root,alexschlueter/cern-root,arch1tect0r/root,georgtroska/root,Y--/root,pspe/root,sirinath/root,jrtomps/root,jrtomps/root,beniz/root,omazapa/root-old,abhinavmoudgil95/root,root-mirror/root,zzxuanyuan/root,smarinac/root,vukasinmilosevic/root,simonpf/root,esakellari/my_root_for_test,Y--/root,lgiommi/root,zzxuanyuan/root-compressor-dummy,abhinavmoudgil95/root,krafczyk/root,davidlt/root,buuck/root,alexschlueter/cern-root,omazapa/root,BerserkerTroll/root,mhuwiler/rootauto,olifre/root,pspe/root,omazapa/root,CristinaCristescu/root,pspe/root,georgtroska/root,vukasinmilosevic/root,arch1tect0r/root,sbinet/cxx-root,BerserkerTroll/root,karies/root,abhinavmoudgil95/root,sirinath/root,veprbl/root,karies/root,zzxuanyuan/root-compressor-dummy,Y--/root,buuck/root,satyarth934/root,olifre/root,zzxuanyuan/root,esakellari/my_root_for_test,lgiommi/root,arch1tect0r/root,lgiommi/root,BerserkerTroll/root,evgeny-boger/root,agarciamontoro/root,pspe/root,CristinaCristescu/root,bbockelm/root,Duraznos/root,jrtomps/root,pspe/root,esakellari/root,gbitzes/root,CristinaCristescu/root,0x0all/ROOT,mkret2/root,simonpf/root,sawenzel/root,sawenzel/root,satyarth934/root,gbitzes/root,gganis/root,gganis/root,zzxuanyuan/root-compressor-dummy,Duraznos/root,pspe/root,zzxuanyuan/root-compressor-dummy,simonpf/root,omazapa/root-old,root-mirror/root,evgeny-boger/root,0x0all/ROOT,krafczyk/root,dfunke/root,sawenzel/root,veprbl/root,omazapa/root-old,zzxuanyuan/root,perovic/root,olifre/root,krafczyk/root,jrtomps/root,zzxuanyuan/root-compressor-dummy,krafczyk/root,mhuwiler/rootauto,omazapa/root,georgtroska/root,zzxuanyuan/root-compressor-dummy,olifre/root,sbinet/cxx-root,gbitzes/root,buuck/root,krafczyk/root,mhuwiler/rootauto,omazapa/root-old,abhinavmoudgil95/root,root-mirror/root,sirinath/root,sbinet/cxx-root,nilqed/root,olifre/root,BerserkerTroll/root,veprbl/root,evgeny-boger/root,mattkretz/root,beniz/root,karies/root,zzxuanyuan/root,georgtroska/root,olifre/root,zzxuanyuan/root-compressor-dummy,evgeny-boger/root,sirinath/root,root-mirror/root,esakellari/root,nilqed/root,krafczyk/root,olifre/root,agarciamontoro/root,root-mirror/root,agarciamontoro/root,esakellari/root,zzxuanyuan/root,zzxuanyuan/root,beniz/root,gbitzes/root,omazapa/root,Duraznos/root,dfunke/root,evgeny-boger/root,davidlt/root,perovic/root,lgiommi/root,arch1tect0r/root,lgiommi/root,beniz/root,gbitzes/root,cxx-hep/root-cern,cxx-hep/root-cern,zzxuanyuan/root-compressor-dummy,dfunke/root,nilqed/root,jrtomps/root,sawenzel/root,jrtomps/root,sbinet/cxx-root,jrtomps/root,buuck/root,georgtroska/root,nilqed/root,esakellari/root,Duraznos/root