From Katerina and Gerri: add message code for parallel merging.
From Katerina and Gerri:
add message code for parallel merging.


git-svn-id: acec3fd5b7ea1eb9e79d6329d318e8118ee2e14f@31489 27541ba8-7e3a-0410-8455-c3a389f83636

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