add DeltaR2 function (requested by CMS)
add DeltaR2 function (requested by CMS)


git-svn-id: acec3fd5b7ea1eb9e79d6329d318e8118ee2e14f@19386 27541ba8-7e3a-0410-8455-c3a389f83636

root-mirror/root,zzxuanyuan/root-compressor-dummy,jrtomps/root,Y--/root,Dr15Jones/root,strykejern/TTreeReader,root-mirror/root,karies/root,mhuwiler/rootauto,satyarth934/root,mattkretz/root,omazapa/root-old,cxx-hep/root-cern,ffurano/root5,omazapa/root,mkret2/root,dfunke/root,Y--/root,0x0all/ROOT,gganis/root,perovic/root,olifre/root,agarciamontoro/root,nilqed/root,evgeny-boger/root,root-mirror/root,olifre/root,buuck/root,karies/root,omazapa/root,abhinavmoudgil95/root,mhuwiler/rootauto,davidlt/root,zzxuanyuan/root,georgtroska/root,zzxuanyuan/root,nilqed/root,thomaskeck/root,evgeny-boger/root,bbockelm/root,zzxuanyuan/root,lgiommi/root,gganis/root,kirbyherm/root-r-tools,georgtroska/root,nilqed/root,perovic/root,esakellari/my_root_for_test,strykejern/TTreeReader,sawenzel/root,davidlt/root,dfunke/root,omazapa/root-old,perovic/root,mattkretz/root,mhuwiler/rootauto,sirinath/root,beniz/root,veprbl/root,abhinavmoudgil95/root,cxx-hep/root-cern,veprbl/root,mattkretz/root,lgiommi/root,pspe/root,gganis/root,omazapa/root,davidlt/root,dfunke/root,esakellari/root,tc3t/qoot,zzxuanyuan/root,zzxuanyuan/root-compressor-dummy,zzxuanyuan/root,esakellari/my_root_for_test,georgtroska/root,bbockelm/root,gbitzes/root,arch1tect0r/root,Dr15Jones/root,sawenzel/root,zzxuanyuan/root,pspe/root,pspe/root,sawenzel/root,sbinet/cxx-root,kirbyherm/root-r-tools,Duraznos/root,CristinaCristescu/root,ffurano/root5,nilqed/root,BerserkerTroll/root,pspe/root,gbitzes/root,satyarth934/root,BerserkerTroll/root,abhinavmoudgil95/root,BerserkerTroll/root,mhuwiler/rootauto,0x0all/ROOT,satyarth934/root,krafczyk/root,alexschlueter/cern-root,Dr15Jones/root,nilqed/root,georgtroska/root,omazapa/root,tc3t/qoot,davidlt/root,gganis/root,arch1tect0r/root,perovic/root,Duraznos/root,perovic/root,arch1tect0r/root,satyarth934/root,esakellari/my_root_for_test,smarinac/root,ffurano/root5,mattkretz/root,mhuwiler/rootauto,agarciamontoro/root,smarinac/root,sawenzel/root,olifre/root,mattkretz/root,gbitzes/root,sawenzel/root,alexschlueter/cern-root,perovic/root,davidlt/root,lgiommi/root,thomaskeck/root,abhinavmoudgil95/root,sirinath/root,sirinath/root,sbinet/cxx-root,CristinaCristescu/root,thomaskeck/root,omazapa/root-old,jrtomps/root,BerserkerTroll/root,smarinac/root,nilqed/root,agarciamontoro/root,karies/root,georgtroska/root,pspe/root,agarciamontoro/root,davidlt/root,jrtomps/root,evgeny-boger/root,gbitzes/root,vukasinmilosevic/root,beniz/root,smarinac/root,satyarth934/root,mhuwiler/rootauto,sbinet/cxx-root,strykejern/TTreeReader,strykejern/TTreeReader,zzxuanyuan/root-compressor-dummy,mkret2/root,gbitzes/root,vukasinmilosevic/root,zzxuanyuan/root-compressor-dummy,mhuwiler/rootauto,esakellari/root,ffurano/root5,cxx-hep/root-cern,esakellari/root,buuck/root,thomaskeck/root,agarciamontoro/root,evgeny-boger/root,mattkretz/root,evgeny-boger/root,abhinavmoudgil95/root,nilqed/root,arch1tect0r/root,davidlt/root,zzxuanyuan/root-compressor-dummy,mattkretz/root,sawenzel/root,buuck/root,buuck/root,sirinath/root,omazapa/root-old,beniz/root,jrtomps/root,0x0all/ROOT,veprbl/root,sawenzel/root,zzxuanyuan/root,Duraznos/root,satyarth934/root,satyarth934/root,nilqed/root,satyarth934/root,zzxuanyuan/root,pspe/root,mattkretz/root,zzxuanyuan/root-compressor-dummy,esakellari/my_root_for_test,abhinavmoudgil95/root,simonpf/root,sawenzel/root,root-mirror/root,Y--/root,zzxuanyuan/root,perovic/root,omazapa/root-old,simonpf/root,buuck/root,omazapa/root,tc3t/qoot,veprbl/root,simonpf/root,CristinaCristescu/root,krafczyk/root,arch1tect0r/root,sirinath/root,evgeny-boger/root,buuck/root,krafczyk/root,smarinac/root,georgtroska/root,tc3t/qoot,arch1tect0r/root,kirbyherm/root-r-tools,agarciamontoro/root,satyarth934/root,bbockelm/root,dfunke/root,CristinaCristescu/root,karies/root,arch1tect0r/root,thomaskeck/root,mattkretz/root,sirinath/root,BerserkerTroll/root,thomaskeck/root,sirinath/root,buuck/root,bbockelm/root,kirbyherm/root-r-tools,sbinet/cxx-root,olifre/root,smarinac/root,BerserkerTroll/root,root-mirror/root,alexschlueter/cern-root,gbitzes/root,lgiommi/root,CristinaCristescu/root,pspe/root,esakellari/root,mkret2/root,mattkretz/root,evgeny-boger/root,omazapa/root,abhinavmoudgil95/root,sirinath/root,mattkretz/root,zzxuanyuan/root-compressor-dummy,smarinac/root,pspe/root,buuck/root,Dr15Jones/root,esakellari/my_root_for_test,thomaskeck/root,bbockelm/root,omazapa/root,tc3t/qoot,mkret2/root,smarinac/root,beniz/root,nilqed/root,sbinet/cxx-root,sirinath/root,evgeny-boger/root,lgiommi/root,Duraznos/root,tc3t/qoot,esakellari/my_root_for_test,davidlt/root,gganis/root,arch1tect0r/root,vukasinmilosevic/root,sawenzel/root,buuck/root,root-mirror/root,sawenzel/root,esakellari/root,agarciamontoro/root,vukasinmilosevic/root,tc3t/qoot,kirbyherm/root-r-tools,beniz/root,esakellari/root,Duraznos/root,mkret2/root,smarinac/root,georgtroska/root,alexschlueter/cern-root,nilqed/root,buuck/root,simonpf/root,Dr15Jones/root,gganis/root,vukasinmilosevic/root,sawenzel/root,gganis/root,BerserkerTroll/root,Y--/root,evgeny-boger/root,lgiommi/root,olifre/root,Y--/root,zzxuanyuan/root-compressor-dummy,jrtomps/root,0x0all/ROOT,krafczyk/root,mkret2/root,strykejern/TTreeReader,davidlt/root,simonpf/root,simonpf/root,cxx-hep/root-cern,vukasinmilosevic/root,Duraznos/root,jrtomps/root,dfunke/root,root-mirror/root,olifre/root,tc3t/qoot,sbinet/cxx-root,dfunke/root,Duraznos/root,bbockelm/root,karies/root,gbitzes/root,gbitzes/root,agarciamontoro/root,omazapa/root,gganis/root,alexschlueter/cern-root,beniz/root,sbinet/cxx-root,bbockelm/root,karies/root,CristinaCristescu/root,0x0all/ROOT,mhuwiler/rootauto,omazapa/root,sbinet/cxx-root,mkret2/root,krafczyk/root,sbinet/cxx-root,root-mirror/root,simonpf/root,mhuwiler/rootauto,mkret2/root,beniz/root,CristinaCristescu/root,nilqed/root,esakellari/my_root_for_test,veprbl/root,dfunke/root,karies/root,strykejern/TTreeReader,omazapa/root-old,olifre/root,jrtomps/root,strykejern/TTreeReader,lgiommi/root,bbockelm/root,krafczyk/root,Y--/root,0x0all/ROOT,lgiommi/root,kirbyherm/root-r-tools,tc3t/qoot,cxx-hep/root-cern,bbockelm/root,olifre/root,thomaskeck/root,pspe/root,gganis/root,gganis/root,simonpf/root,Duraznos/root,BerserkerTroll/root,Y--/root,abhinavmoudgil95/root,veprbl/root,olifre/root,mkret2/root,olifre/root,zzxuanyuan/root-compressor-dummy,root-mirror/root,BerserkerTroll/root,georgtroska/root,esakellari/root,Y--/root,zzxuanyuan/root,zzxuanyuan/root,0x0all/ROOT,agarciamontoro/root,Y--/root,BerserkerTroll/root,Y--/root,omazapa/root-old,BerserkerTroll/root,lgiommi/root,olifre/root,CristinaCristescu/root,beniz/root,vukasinmilosevic/root,mhuwiler/rootauto,gbitzes/root,buuck/root,krafczyk/root,abhinavmoudgil95/root,arch1tect0r/root,esakellari/my_root_for_test,zzxuanyuan/root-compressor-dummy,arch1tect0r/root,ffurano/root5,Dr15Jones/root,arch1tect0r/root,veprbl/root,esakellari/root,0x0all/ROOT,omazapa/root,root-mirror/root,esakellari/my_root_for_test,bbockelm/root,krafczyk/root,simonpf/root,esakellari/my_root_for_test,CristinaCristescu/root,veprbl/root,alexschlueter/cern-root,georgtroska/root,CristinaCristescu/root,dfunke/root,beniz/root,vukasinmilosevic/root,mkret2/root,gbitzes/root,pspe/root,davidlt/root,abhinavmoudgil95/root,zzxuanyuan/root-compressor-dummy,beniz/root,vukasinmilosevic/root,Dr15Jones/root,sbinet/cxx-root,abhinavmoudgil95/root,lgiommi/root,veprbl/root,cxx-hep/root-cern,thomaskeck/root,mhuwiler/rootauto,jrtomps/root,jrtomps/root,smarinac/root,sirinath/root,krafczyk/root,CristinaCristescu/root,krafczyk/root,perovic/root,zzxuanyuan/root,perovic/root,dfunke/root,jrtomps/root,karies/root,satyarth934/root,Y--/root,omazapa/root-old,esakellari/root,bbockelm/root,thomaskeck/root,evgeny-boger/root,vukasinmilosevic/root,karies/root,0x0all/ROOT,gganis/root,ffurano/root5,satyarth934/root,esakellari/root,veprbl/root,beniz/root,perovic/root,simonpf/root,lgiommi/root,karies/root,davidlt/root,veprbl/root,krafczyk/root,pspe/root,jrtomps/root,agarciamontoro/root,omazapa/root-old,alexschlueter/cern-root,sbinet/cxx-root,kirbyherm/root-r-tools,tc3t/qoot,evgeny-boger/root,omazapa/root,Duraznos/root,omazapa/root-old,vukasinmilosevic/root,Duraznos/root,cxx-hep/root-cern,dfunke/root,esakellari/root,mkret2/root,agarciamontoro/root,gbitzes/root,ffurano/root5,georgtroska/root,perovic/root,simonpf/root,Duraznos/root,sirinath/root,omazapa/root-old,root-mirror/root,georgtroska/root,cxx-hep/root-cern,karies/root,dfunke/root