following mods:   - without arguments installs xrootd-<vers-num> in the current directory.   - build directory will be deleted by default, unless option -k or --keep     is specified.
following mods:
  - without arguments installs xrootd-<vers-num> in the current directory.
  - build directory will be deleted by default, unless option -k or --keep
    is specified.


git-svn-id: acec3fd5b7ea1eb9e79d6329d318e8118ee2e14f@42034 27541ba8-7e3a-0410-8455-c3a389f83636

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